Home / 6,520,630.40-9,781,377.60-1,728,252.80

Finding the Fourth Proportional to 6,520,630.40, 9,781,377.60 and 1,728,252.80

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Solution

The fourth proportional to 6,520,630.40, 9,781,377.60 and 1,728,252.80 is: 2,592,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,630.40 : 9,781,377.60 = 1,728,252.80 : x
  2. Step 2: Convert to fraction form
    6,520,630.40/9,781,377.60 = 1,728,252.80/x
  3. Step 3: Cross multiply
    6,520,630.40x = 9,781,377.60 × 1,728,252.80
  4. Step 4: Simplify right side
    6,520,630.40x = 16,904,693,225,057.28
  5. Step 5: Solve for x
    x = 16,904,693,225,057.28/6,520,630.40
  6. Step 6: Final answer
    x = 2,592,493.70

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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.