Home / 5,450,025.28-7,520,671.92-3,157,777.12

Finding the Fourth Proportional to 5,450,025.28, 7,520,671.92 and 3,157,777.12

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Solution

The fourth proportional to 5,450,025.28, 7,520,671.92 and 3,157,777.12 is: 4,357,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450,025.28 : 7,520,671.92 = 3,157,777.12 : x
  2. Step 2: Convert to fraction form
    5,450,025.28/7,520,671.92 = 3,157,777.12/x
  3. Step 3: Cross multiply
    5,450,025.28x = 7,520,671.92 × 3,157,777.12
  4. Step 4: Simplify right side
    5,450,025.28x = 23,748,605,716,002.47
  5. Step 5: Solve for x
    x = 23,748,605,716,002.47/5,450,025.28
  6. Step 6: Final answer
    x = 4,357,522.12

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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.