Home / 1,914,694.38-2,643,151.36-1,363,764.78

Finding the Fourth Proportional to 1,914,694.38, 2,643,151.36 and 1,363,764.78

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Solution

The fourth proportional to 1,914,694.38, 2,643,151.36 and 1,363,764.78 is: 1,882,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,694.38 : 2,643,151.36 = 1,363,764.78 : x
  2. Step 2: Convert to fraction form
    1,914,694.38/2,643,151.36 = 1,363,764.78/x
  3. Step 3: Cross multiply
    1,914,694.38x = 2,643,151.36 × 1,363,764.78
  4. Step 4: Simplify right side
    1,914,694.38x = 3,604,636,732,977.10
  5. Step 5: Solve for x
    x = 3,604,636,732,977.10/1,914,694.38
  6. Step 6: Final answer
    x = 1,882,617.28

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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.