Home / 1,891,299.38-2,608,172.46-1,272,498.66

Finding the Fourth Proportional to 1,891,299.38, 2,608,172.46 and 1,272,498.66

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Solution

The fourth proportional to 1,891,299.38, 2,608,172.46 and 1,272,498.66 is: 1,754,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,299.38 : 2,608,172.46 = 1,272,498.66 : x
  2. Step 2: Convert to fraction form
    1,891,299.38/2,608,172.46 = 1,272,498.66/x
  3. Step 3: Cross multiply
    1,891,299.38x = 2,608,172.46 × 1,272,498.66
  4. Step 4: Simplify right side
    1,891,299.38x = 3,318,895,960,398.90
  5. Step 5: Solve for x
    x = 3,318,895,960,398.90/1,891,299.38
  6. Step 6: Final answer
    x = 1,754,823.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.