Home / 2,428,434.03-3,642,601.04-809,320.47

Finding the Fourth Proportional to 2,428,434.03, 3,642,601.04 and 809,320.47

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Solution

The fourth proportional to 2,428,434.03, 3,642,601.04 and 809,320.47 is: 1,213,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,434.03 : 3,642,601.04 = 809,320.47 : x
  2. Step 2: Convert to fraction form
    2,428,434.03/3,642,601.04 = 809,320.47/x
  3. Step 3: Cross multiply
    2,428,434.03x = 3,642,601.04 × 809,320.47
  4. Step 4: Simplify right side
    2,428,434.03x = 2,948,031,585,715.29
  5. Step 5: Solve for x
    x = 2,948,031,585,715.29/2,428,434.03
  6. Step 6: Final answer
    x = 1,213,964.04

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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.