Home / 2,209,542.17-3,048,711.01-1,291,593.80

Finding the Fourth Proportional to 2,209,542.17, 3,048,711.01 and 1,291,593.80

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Solution

The fourth proportional to 2,209,542.17, 3,048,711.01 and 1,291,593.80 is: 1,782,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,542.17 : 3,048,711.01 = 1,291,593.80 : x
  2. Step 2: Convert to fraction form
    2,209,542.17/3,048,711.01 = 1,291,593.80/x
  3. Step 3: Cross multiply
    2,209,542.17x = 3,048,711.01 × 1,291,593.80
  4. Step 4: Simplify right side
    2,209,542.17x = 3,937,696,242,900.53
  5. Step 5: Solve for x
    x = 3,937,696,242,900.53/2,209,542.17
  6. Step 6: Final answer
    x = 1,782,132.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.