Home / 1,821,132.90-2,513,167.13-1,005,337.70

Finding the Fourth Proportional to 1,821,132.90, 2,513,167.13 and 1,005,337.70

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Solution

The fourth proportional to 1,821,132.90, 2,513,167.13 and 1,005,337.70 is: 1,387,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,132.90 : 2,513,167.13 = 1,005,337.70 : x
  2. Step 2: Convert to fraction form
    1,821,132.90/2,513,167.13 = 1,005,337.70/x
  3. Step 3: Cross multiply
    1,821,132.90x = 2,513,167.13 × 1,005,337.70
  4. Step 4: Simplify right side
    1,821,132.90x = 2,526,581,665,802.56
  5. Step 5: Solve for x
    x = 2,526,581,665,802.56/1,821,132.90
  6. Step 6: Final answer
    x = 1,387,368.09

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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.