Home / 3,147,708.60-4,721,562.90-2,191,114.80

Finding the Fourth Proportional to 3,147,708.60, 4,721,562.90 and 2,191,114.80

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Solution

The fourth proportional to 3,147,708.60, 4,721,562.90 and 2,191,114.80 is: 3,286,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,708.60 : 4,721,562.90 = 2,191,114.80 : x
  2. Step 2: Convert to fraction form
    3,147,708.60/4,721,562.90 = 2,191,114.80/x
  3. Step 3: Cross multiply
    3,147,708.60x = 4,721,562.90 × 2,191,114.80
  4. Step 4: Simplify right side
    3,147,708.60x = 10,345,486,349,320.92
  5. Step 5: Solve for x
    x = 10,345,486,349,320.92/3,147,708.60
  6. Step 6: Final answer
    x = 3,286,672.20

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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.