Home / 1,539,317.28-2,124,851.76-1,377,887.52

Finding the Fourth Proportional to 1,539,317.28, 2,124,851.76 and 1,377,887.52

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Solution

The fourth proportional to 1,539,317.28, 2,124,851.76 and 1,377,887.52 is: 1,902,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,317.28 : 2,124,851.76 = 1,377,887.52 : x
  2. Step 2: Convert to fraction form
    1,539,317.28/2,124,851.76 = 1,377,887.52/x
  3. Step 3: Cross multiply
    1,539,317.28x = 2,124,851.76 × 1,377,887.52
  4. Step 4: Simplify right side
    1,539,317.28x = 2,927,806,721,954.04
  5. Step 5: Solve for x
    x = 2,927,806,721,954.04/1,539,317.28
  6. Step 6: Final answer
    x = 1,902,016.41

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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.