Home / 2,454,716.80-3,385,764.15-1,638,508.96

Finding the Fourth Proportional to 2,454,716.80, 3,385,764.15 and 1,638,508.96

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Solution

The fourth proportional to 2,454,716.80, 3,385,764.15 and 1,638,508.96 is: 2,259,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454,716.80 : 3,385,764.15 = 1,638,508.96 : x
  2. Step 2: Convert to fraction form
    2,454,716.80/3,385,764.15 = 1,638,508.96/x
  3. Step 3: Cross multiply
    2,454,716.80x = 3,385,764.15 × 1,638,508.96
  4. Step 4: Simplify right side
    2,454,716.80x = 5,547,604,896,221.78
  5. Step 5: Solve for x
    x = 5,547,604,896,221.78/2,454,716.80
  6. Step 6: Final answer
    x = 2,259,977.56

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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.