Home / 1,915,612.13-2,643,565.39-1,044,439.72

Finding the Fourth Proportional to 1,915,612.13, 2,643,565.39 and 1,044,439.72

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Solution

The fourth proportional to 1,915,612.13, 2,643,565.39 and 1,044,439.72 is: 1,441,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,612.13 : 2,643,565.39 = 1,044,439.72 : x
  2. Step 2: Convert to fraction form
    1,915,612.13/2,643,565.39 = 1,044,439.72/x
  3. Step 3: Cross multiply
    1,915,612.13x = 2,643,565.39 × 1,044,439.72
  4. Step 4: Simplify right side
    1,915,612.13x = 2,761,044,686,513.28
  5. Step 5: Solve for x
    x = 2,761,044,686,513.28/1,915,612.13
  6. Step 6: Final answer
    x = 1,441,338.07

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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.