Home / 5,832,129.60-8,720,200.80-4,320,475.20

Finding the Fourth Proportional to 5,832,129.60, 8,720,200.80 and 4,320,475.20

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Solution

The fourth proportional to 5,832,129.60, 8,720,200.80 and 4,320,475.20 is: 6,459,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,832,129.60 : 8,720,200.80 = 4,320,475.20 : x
  2. Step 2: Convert to fraction form
    5,832,129.60/8,720,200.80 = 4,320,475.20/x
  3. Step 3: Cross multiply
    5,832,129.60x = 8,720,200.80 × 4,320,475.20
  4. Step 4: Simplify right side
    5,832,129.60x = 37,675,411,295,420.16
  5. Step 5: Solve for x
    x = 37,675,411,295,420.16/5,832,129.60
  6. Step 6: Final answer
    x = 6,459,974.98

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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.