Home / 2,991,921.60-4,487,882.17-748,059.60

Finding the Fourth Proportional to 2,991,921.60, 4,487,882.17 and 748,059.60

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Solution

The fourth proportional to 2,991,921.60, 4,487,882.17 and 748,059.60 is: 1,122,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,921.60 : 4,487,882.17 = 748,059.60 : x
  2. Step 2: Convert to fraction form
    2,991,921.60/4,487,882.17 = 748,059.60/x
  3. Step 3: Cross multiply
    2,991,921.60x = 4,487,882.17 × 748,059.60
  4. Step 4: Simplify right side
    2,991,921.60x = 3,357,203,340,937.33
  5. Step 5: Solve for x
    x = 3,357,203,340,937.33/2,991,921.60
  6. Step 6: Final answer
    x = 1,122,089.34

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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.