Home / 3,758,020.14-5,636,981.07-918,156.90

Finding the Fourth Proportional to 3,758,020.14, 5,636,981.07 and 918,156.90

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Solution

The fourth proportional to 3,758,020.14, 5,636,981.07 and 918,156.90 is: 1,377,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758,020.14 : 5,636,981.07 = 918,156.90 : x
  2. Step 2: Convert to fraction form
    3,758,020.14/5,636,981.07 = 918,156.90/x
  3. Step 3: Cross multiply
    3,758,020.14x = 5,636,981.07 × 918,156.90
  4. Step 4: Simplify right side
    3,758,020.14x = 5,175,633,059,999.10
  5. Step 5: Solve for x
    x = 5,175,633,059,999.10/3,758,020.14
  6. Step 6: Final answer
    x = 1,377,223.34

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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.