Home / 5,138,074.32-7,705,251.18-1,725,340.20

Finding the Fourth Proportional to 5,138,074.32, 7,705,251.18 and 1,725,340.20

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Solution

The fourth proportional to 5,138,074.32, 7,705,251.18 and 1,725,340.20 is: 2,587,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,074.32 : 7,705,251.18 = 1,725,340.20 : x
  2. Step 2: Convert to fraction form
    5,138,074.32/7,705,251.18 = 1,725,340.20/x
  3. Step 3: Cross multiply
    5,138,074.32x = 7,705,251.18 × 1,725,340.20
  4. Step 4: Simplify right side
    5,138,074.32x = 13,294,179,611,951.44
  5. Step 5: Solve for x
    x = 13,294,179,611,951.44/5,138,074.32
  6. Step 6: Final answer
    x = 2,587,385.62

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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.