Home / 5,354,721.28-7,389,500.16-3,208,545.28

Finding the Fourth Proportional to 5,354,721.28, 7,389,500.16 and 3,208,545.28

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Solution

The fourth proportional to 5,354,721.28, 7,389,500.16 and 3,208,545.28 is: 4,427,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354,721.28 : 7,389,500.16 = 3,208,545.28 : x
  2. Step 2: Convert to fraction form
    5,354,721.28/7,389,500.16 = 3,208,545.28/x
  3. Step 3: Cross multiply
    5,354,721.28x = 7,389,500.16 × 3,208,545.28
  4. Step 4: Simplify right side
    5,354,721.28x = 23,709,545,859,927.24
  5. Step 5: Solve for x
    x = 23,709,545,859,927.24/5,354,721.28
  6. Step 6: Final answer
    x = 4,427,783.37

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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.