Home / 2,138,460.71-3,207,355.65-699,134.04

Finding the Fourth Proportional to 2,138,460.71, 3,207,355.65 and 699,134.04

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Solution

The fourth proportional to 2,138,460.71, 3,207,355.65 and 699,134.04 is: 1,048,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,460.71 : 3,207,355.65 = 699,134.04 : x
  2. Step 2: Convert to fraction form
    2,138,460.71/3,207,355.65 = 699,134.04/x
  3. Step 3: Cross multiply
    2,138,460.71x = 3,207,355.65 × 699,134.04
  4. Step 4: Simplify right side
    2,138,460.71x = 2,242,371,513,301.33
  5. Step 5: Solve for x
    x = 2,242,371,513,301.33/2,138,460.71
  6. Step 6: Final answer
    x = 1,048,591.40

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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.