Home / 2,428,891.53-3,644,598.18-990,630.11

Finding the Fourth Proportional to 2,428,891.53, 3,644,598.18 and 990,630.11

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Solution

The fourth proportional to 2,428,891.53, 3,644,598.18 and 990,630.11 is: 1,486,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,891.53 : 3,644,598.18 = 990,630.11 : x
  2. Step 2: Convert to fraction form
    2,428,891.53/3,644,598.18 = 990,630.11/x
  3. Step 3: Cross multiply
    2,428,891.53x = 3,644,598.18 × 990,630.11
  4. Step 4: Simplify right side
    2,428,891.53x = 3,610,448,695,959.20
  5. Step 5: Solve for x
    x = 3,610,448,695,959.20/2,428,891.53
  6. Step 6: Final answer
    x = 1,486,459.42

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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.