Home / 6,690,463.20-9,233,630.80-3,974,220

Finding the Fourth Proportional to 6,690,463.20, 9,233,630.80 and 3,974,220

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Solution

The fourth proportional to 6,690,463.20, 9,233,630.80 and 3,974,220 is: 5,484,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,463.20 : 9,233,630.80 = 3,974,220 : x
  2. Step 2: Convert to fraction form
    6,690,463.20/9,233,630.80 = 3,974,220/x
  3. Step 3: Cross multiply
    6,690,463.20x = 9,233,630.80 × 3,974,220
  4. Step 4: Simplify right side
    6,690,463.20x = 36,696,480,197,976
  5. Step 5: Solve for x
    x = 36,696,480,197,976/6,690,463.20
  6. Step 6: Final answer
    x = 5,484,893.81

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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.