Home / 3,115,419.20-4,673,128.80-1,767,060.80

Finding the Fourth Proportional to 3,115,419.20, 4,673,128.80 and 1,767,060.80

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Solution

The fourth proportional to 3,115,419.20, 4,673,128.80 and 1,767,060.80 is: 2,650,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,419.20 : 4,673,128.80 = 1,767,060.80 : x
  2. Step 2: Convert to fraction form
    3,115,419.20/4,673,128.80 = 1,767,060.80/x
  3. Step 3: Cross multiply
    3,115,419.20x = 4,673,128.80 × 1,767,060.80
  4. Step 4: Simplify right side
    3,115,419.20x = 8,257,702,715,831.04
  5. Step 5: Solve for x
    x = 8,257,702,715,831.04/3,115,419.20
  6. Step 6: Final answer
    x = 2,650,591.20

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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.