Home / 2,679,425.80-4,019,138.70-2,474,139.40

Finding the Fourth Proportional to 2,679,425.80, 4,019,138.70 and 2,474,139.40

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Solution

The fourth proportional to 2,679,425.80, 4,019,138.70 and 2,474,139.40 is: 3,711,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,425.80 : 4,019,138.70 = 2,474,139.40 : x
  2. Step 2: Convert to fraction form
    2,679,425.80/4,019,138.70 = 2,474,139.40/x
  3. Step 3: Cross multiply
    2,679,425.80x = 4,019,138.70 × 2,474,139.40
  4. Step 4: Simplify right side
    2,679,425.80x = 9,943,909,411,734.78
  5. Step 5: Solve for x
    x = 9,943,909,411,734.78/2,679,425.80
  6. Step 6: Final answer
    x = 3,711,209.10

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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.