Home / 3,987,301.68-5,980,663.22-1,557,998.15

Finding the Fourth Proportional to 3,987,301.68, 5,980,663.22 and 1,557,998.15

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Solution

The fourth proportional to 3,987,301.68, 5,980,663.22 and 1,557,998.15 is: 2,336,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,301.68 : 5,980,663.22 = 1,557,998.15 : x
  2. Step 2: Convert to fraction form
    3,987,301.68/5,980,663.22 = 1,557,998.15/x
  3. Step 3: Cross multiply
    3,987,301.68x = 5,980,663.22 × 1,557,998.15
  4. Step 4: Simplify right side
    3,987,301.68x = 9,317,862,194,839.74
  5. Step 5: Solve for x
    x = 9,317,862,194,839.74/3,987,301.68
  6. Step 6: Final answer
    x = 2,336,884.17

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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.