Home / 5,121,345.60-7,665,429.60-3,993,307.20

Finding the Fourth Proportional to 5,121,345.60, 7,665,429.60 and 3,993,307.20

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Solution

The fourth proportional to 5,121,345.60, 7,665,429.60 and 3,993,307.20 is: 5,977,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,345.60 : 7,665,429.60 = 3,993,307.20 : x
  2. Step 2: Convert to fraction form
    5,121,345.60/7,665,429.60 = 3,993,307.20/x
  3. Step 3: Cross multiply
    5,121,345.60x = 7,665,429.60 × 3,993,307.20
  4. Step 4: Simplify right side
    5,121,345.60x = 30,610,415,212,773.12
  5. Step 5: Solve for x
    x = 30,610,415,212,773.12/5,121,345.60
  6. Step 6: Final answer
    x = 5,977,025.88

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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.