Home / 5,681,146.60-8,521,719.90-3,557,780.20

Finding the Fourth Proportional to 5,681,146.60, 8,521,719.90 and 3,557,780.20

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Solution

The fourth proportional to 5,681,146.60, 8,521,719.90 and 3,557,780.20 is: 5,336,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681,146.60 : 8,521,719.90 = 3,557,780.20 : x
  2. Step 2: Convert to fraction form
    5,681,146.60/8,521,719.90 = 3,557,780.20/x
  3. Step 3: Cross multiply
    5,681,146.60x = 8,521,719.90 × 3,557,780.20
  4. Step 4: Simplify right side
    5,681,146.60x = 30,318,406,330,165.98
  5. Step 5: Solve for x
    x = 30,318,406,330,165.98/5,681,146.60
  6. Step 6: Final answer
    x = 5,336,670.30

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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.