Home / 2,713,206.10-4,069,809.15-820,239.70

Finding the Fourth Proportional to 2,713,206.10, 4,069,809.15 and 820,239.70

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Solution

The fourth proportional to 2,713,206.10, 4,069,809.15 and 820,239.70 is: 1,230,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713,206.10 : 4,069,809.15 = 820,239.70 : x
  2. Step 2: Convert to fraction form
    2,713,206.10/4,069,809.15 = 820,239.70/x
  3. Step 3: Cross multiply
    2,713,206.10x = 4,069,809.15 × 820,239.70
  4. Step 4: Simplify right side
    2,713,206.10x = 3,338,219,036,253.26
  5. Step 5: Solve for x
    x = 3,338,219,036,253.26/2,713,206.10
  6. Step 6: Final answer
    x = 1,230,359.55

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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.