Home / 3,915,612.80-5,873,419.20-3,649,892.30

Finding the Fourth Proportional to 3,915,612.80, 5,873,419.20 and 3,649,892.30

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Solution

The fourth proportional to 3,915,612.80, 5,873,419.20 and 3,649,892.30 is: 5,474,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,612.80 : 5,873,419.20 = 3,649,892.30 : x
  2. Step 2: Convert to fraction form
    3,915,612.80/5,873,419.20 = 3,649,892.30/x
  3. Step 3: Cross multiply
    3,915,612.80x = 5,873,419.20 × 3,649,892.30
  4. Step 4: Simplify right side
    3,915,612.80x = 21,437,347,512,752.16
  5. Step 5: Solve for x
    x = 21,437,347,512,752.16/3,915,612.80
  6. Step 6: Final answer
    x = 5,474,838.45

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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.