Home / 2,897,127.20-4,344,913.20-1,213,882.40

Finding the Fourth Proportional to 2,897,127.20, 4,344,913.20 and 1,213,882.40

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Solution

The fourth proportional to 2,897,127.20, 4,344,913.20 and 1,213,882.40 is: 1,820,497.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,127.20 : 4,344,913.20 = 1,213,882.40 : x
  2. Step 2: Convert to fraction form
    2,897,127.20/4,344,913.20 = 1,213,882.40/x
  3. Step 3: Cross multiply
    2,897,127.20x = 4,344,913.20 × 1,213,882.40
  4. Step 4: Simplify right side
    2,897,127.20x = 5,274,213,663,007.68
  5. Step 5: Solve for x
    x = 5,274,213,663,007.68/2,897,127.20
  6. Step 6: Final answer
    x = 1,820,497.79

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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.