Home / 5,428,310.20-8,140,007.70-2,061,398.20

Finding the Fourth Proportional to 5,428,310.20, 8,140,007.70 and 2,061,398.20

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Solution

The fourth proportional to 5,428,310.20, 8,140,007.70 and 2,061,398.20 is: 3,091,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,310.20 : 8,140,007.70 = 2,061,398.20 : x
  2. Step 2: Convert to fraction form
    5,428,310.20/8,140,007.70 = 2,061,398.20/x
  3. Step 3: Cross multiply
    5,428,310.20x = 8,140,007.70 × 2,061,398.20
  4. Step 4: Simplify right side
    5,428,310.20x = 16,779,797,220,766.14
  5. Step 5: Solve for x
    x = 16,779,797,220,766.14/5,428,310.20
  6. Step 6: Final answer
    x = 3,091,164.03

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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.