Home / 5,458,235.10-8,187,352.65-3,438,759.30

Finding the Fourth Proportional to 5,458,235.10, 8,187,352.65 and 3,438,759.30

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Solution

The fourth proportional to 5,458,235.10, 8,187,352.65 and 3,438,759.30 is: 5,158,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,235.10 : 8,187,352.65 = 3,438,759.30 : x
  2. Step 2: Convert to fraction form
    5,458,235.10/8,187,352.65 = 3,438,759.30/x
  3. Step 3: Cross multiply
    5,458,235.10x = 8,187,352.65 × 3,438,759.30
  4. Step 4: Simplify right side
    5,458,235.10x = 28,154,335,067,567.14
  5. Step 5: Solve for x
    x = 28,154,335,067,567.14/5,458,235.10
  6. Step 6: Final answer
    x = 5,158,138.95

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Double scale
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Similar ratio
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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.