Home / 4,984,278.40-7,465,358.40-1,990,921.60

Finding the Fourth Proportional to 4,984,278.40, 7,465,358.40 and 1,990,921.60

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Solution

The fourth proportional to 4,984,278.40, 7,465,358.40 and 1,990,921.60 is: 2,981,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984,278.40 : 7,465,358.40 = 1,990,921.60 : x
  2. Step 2: Convert to fraction form
    4,984,278.40/7,465,358.40 = 1,990,921.60/x
  3. Step 3: Cross multiply
    4,984,278.40x = 7,465,358.40 × 1,990,921.60
  4. Step 4: Simplify right side
    4,984,278.40x = 14,862,943,290,301.44
  5. Step 5: Solve for x
    x = 14,862,943,290,301.44/4,984,278.40
  6. Step 6: Final answer
    x = 2,981,964.91

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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.