Home / 2,952,445.40-4,428,668.10-822,858.20

Finding the Fourth Proportional to 2,952,445.40, 4,428,668.10 and 822,858.20

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Solution

The fourth proportional to 2,952,445.40, 4,428,668.10 and 822,858.20 is: 1,234,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,445.40 : 4,428,668.10 = 822,858.20 : x
  2. Step 2: Convert to fraction form
    2,952,445.40/4,428,668.10 = 822,858.20/x
  3. Step 3: Cross multiply
    2,952,445.40x = 4,428,668.10 × 822,858.20
  4. Step 4: Simplify right side
    2,952,445.40x = 3,644,165,861,163.42
  5. Step 5: Solve for x
    x = 3,644,165,861,163.42/2,952,445.40
  6. Step 6: Final answer
    x = 1,234,287.30

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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.