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Finding the Fourth Proportional to 2,847,187.92, 3,929,196.42 and 1,744,600.18

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Solution

The fourth proportional to 2,847,187.92, 3,929,196.42 and 1,744,600.18 is: 2,407,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,187.92 : 3,929,196.42 = 1,744,600.18 : x
  2. Step 2: Convert to fraction form
    2,847,187.92/3,929,196.42 = 1,744,600.18/x
  3. Step 3: Cross multiply
    2,847,187.92x = 3,929,196.42 × 1,744,600.18
  4. Step 4: Simplify right side
    2,847,187.92x = 6,854,876,781,587.36
  5. Step 5: Solve for x
    x = 6,854,876,781,587.36/2,847,187.92
  6. Step 6: Final answer
    x = 2,407,595.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.