Home / 3,125,146.20-4,687,719.30-881,284.20

Finding the Fourth Proportional to 3,125,146.20, 4,687,719.30 and 881,284.20

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Solution

The fourth proportional to 3,125,146.20, 4,687,719.30 and 881,284.20 is: 1,321,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,146.20 : 4,687,719.30 = 881,284.20 : x
  2. Step 2: Convert to fraction form
    3,125,146.20/4,687,719.30 = 881,284.20/x
  3. Step 3: Cross multiply
    3,125,146.20x = 4,687,719.30 × 881,284.20
  4. Step 4: Simplify right side
    3,125,146.20x = 4,131,212,953,125.06
  5. Step 5: Solve for x
    x = 4,131,212,953,125.06/3,125,146.20
  6. Step 6: Final answer
    x = 1,321,926.30

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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.