Home / 2,092,143.20-3,138,214.80-1,029,261.20

Finding the Fourth Proportional to 2,092,143.20, 3,138,214.80 and 1,029,261.20

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Solution

The fourth proportional to 2,092,143.20, 3,138,214.80 and 1,029,261.20 is: 1,543,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092,143.20 : 3,138,214.80 = 1,029,261.20 : x
  2. Step 2: Convert to fraction form
    2,092,143.20/3,138,214.80 = 1,029,261.20/x
  3. Step 3: Cross multiply
    2,092,143.20x = 3,138,214.80 × 1,029,261.20
  4. Step 4: Simplify right side
    2,092,143.20x = 3,230,042,730,905.76
  5. Step 5: Solve for x
    x = 3,230,042,730,905.76/2,092,143.20
  6. Step 6: Final answer
    x = 1,543,891.80

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Similar ratio
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1.5x scale

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.