Home / 2,101,988-2,901,215.94-1,376,414.30

Finding the Fourth Proportional to 2,101,988, 2,901,215.94 and 1,376,414.30

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Solution

The fourth proportional to 2,101,988, 2,901,215.94 and 1,376,414.30 is: 1,899,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,988 : 2,901,215.94 = 1,376,414.30 : x
  2. Step 2: Convert to fraction form
    2,101,988/2,901,215.94 = 1,376,414.30/x
  3. Step 3: Cross multiply
    2,101,988x = 2,901,215.94 × 1,376,414.30
  4. Step 4: Simplify right side
    2,101,988x = 3,993,275,107,203.94
  5. Step 5: Solve for x
    x = 3,993,275,107,203.94/2,101,988
  6. Step 6: Final answer
    x = 1,899,761.13

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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.