Home / 5,572,665.78-7,691,119.36-3,398,470.15

Finding the Fourth Proportional to 5,572,665.78, 7,691,119.36 and 3,398,470.15

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Solution

The fourth proportional to 5,572,665.78, 7,691,119.36 and 3,398,470.15 is: 4,690,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572,665.78 : 7,691,119.36 = 3,398,470.15 : x
  2. Step 2: Convert to fraction form
    5,572,665.78/7,691,119.36 = 3,398,470.15/x
  3. Step 3: Cross multiply
    5,572,665.78x = 7,691,119.36 × 3,398,470.15
  4. Step 4: Simplify right side
    5,572,665.78x = 26,138,039,565,047.11
  5. Step 5: Solve for x
    x = 26,138,039,565,047.11/5,572,665.78
  6. Step 6: Final answer
    x = 4,690,401.43

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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.