Home / 4,218,011.40-6,327,017.10-2,783,120.70

Finding the Fourth Proportional to 4,218,011.40, 6,327,017.10 and 2,783,120.70

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Solution

The fourth proportional to 4,218,011.40, 6,327,017.10 and 2,783,120.70 is: 4,174,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,011.40 : 6,327,017.10 = 2,783,120.70 : x
  2. Step 2: Convert to fraction form
    4,218,011.40/6,327,017.10 = 2,783,120.70/x
  3. Step 3: Cross multiply
    4,218,011.40x = 6,327,017.10 × 2,783,120.70
  4. Step 4: Simplify right side
    4,218,011.40x = 17,608,852,260,263.97
  5. Step 5: Solve for x
    x = 17,608,852,260,263.97/4,218,011.40
  6. Step 6: Final answer
    x = 4,174,681.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.