Home / 3,280,507.60-4,920,761.40-2,005,049.20

Finding the Fourth Proportional to 3,280,507.60, 4,920,761.40 and 2,005,049.20

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Solution

The fourth proportional to 3,280,507.60, 4,920,761.40 and 2,005,049.20 is: 3,007,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,507.60 : 4,920,761.40 = 2,005,049.20 : x
  2. Step 2: Convert to fraction form
    3,280,507.60/4,920,761.40 = 2,005,049.20/x
  3. Step 3: Cross multiply
    3,280,507.60x = 4,920,761.40 × 2,005,049.20
  4. Step 4: Simplify right side
    3,280,507.60x = 9,866,368,708,460.88
  5. Step 5: Solve for x
    x = 9,866,368,708,460.88/3,280,507.60
  6. Step 6: Final answer
    x = 3,007,573.80

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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.