Home / 3,478,149.20-5,217,223.80-1,966,494.80

Finding the Fourth Proportional to 3,478,149.20, 5,217,223.80 and 1,966,494.80

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Solution

The fourth proportional to 3,478,149.20, 5,217,223.80 and 1,966,494.80 is: 2,949,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,149.20 : 5,217,223.80 = 1,966,494.80 : x
  2. Step 2: Convert to fraction form
    3,478,149.20/5,217,223.80 = 1,966,494.80/x
  3. Step 3: Cross multiply
    3,478,149.20x = 5,217,223.80 × 1,966,494.80
  4. Step 4: Simplify right side
    3,478,149.20x = 10,259,643,473,136.24
  5. Step 5: Solve for x
    x = 10,259,643,473,136.24/3,478,149.20
  6. Step 6: Final answer
    x = 2,949,742.20

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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.