Home / 3,547,233.60-5,320,850.40-2,128,891.20

Finding the Fourth Proportional to 3,547,233.60, 5,320,850.40 and 2,128,891.20

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Solution

The fourth proportional to 3,547,233.60, 5,320,850.40 and 2,128,891.20 is: 3,193,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,233.60 : 5,320,850.40 = 2,128,891.20 : x
  2. Step 2: Convert to fraction form
    3,547,233.60/5,320,850.40 = 2,128,891.20/x
  3. Step 3: Cross multiply
    3,547,233.60x = 5,320,850.40 × 2,128,891.20
  4. Step 4: Simplify right side
    3,547,233.60x = 11,327,511,593,076.48
  5. Step 5: Solve for x
    x = 11,327,511,593,076.48/3,547,233.60
  6. Step 6: Final answer
    x = 3,193,336.80

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Similar ratio
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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.