Home / 2,070,621.28-3,105,465.36-807,798.88

Finding the Fourth Proportional to 2,070,621.28, 3,105,465.36 and 807,798.88

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Solution

The fourth proportional to 2,070,621.28, 3,105,465.36 and 807,798.88 is: 1,211,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,621.28 : 3,105,465.36 = 807,798.88 : x
  2. Step 2: Convert to fraction form
    2,070,621.28/3,105,465.36 = 807,798.88/x
  3. Step 3: Cross multiply
    2,070,621.28x = 3,105,465.36 × 807,798.88
  4. Step 4: Simplify right side
    2,070,621.28x = 2,508,591,439,686.80
  5. Step 5: Solve for x
    x = 2,508,591,439,686.80/2,070,621.28
  6. Step 6: Final answer
    x = 1,211,516.30

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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.