Home / 2,544,342.88-3,511,215.12-1,398,449.92

Finding the Fourth Proportional to 2,544,342.88, 3,511,215.12 and 1,398,449.92

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Solution

The fourth proportional to 2,544,342.88, 3,511,215.12 and 1,398,449.92 is: 1,929,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544,342.88 : 3,511,215.12 = 1,398,449.92 : x
  2. Step 2: Convert to fraction form
    2,544,342.88/3,511,215.12 = 1,398,449.92/x
  3. Step 3: Cross multiply
    2,544,342.88x = 3,511,215.12 × 1,398,449.92
  4. Step 4: Simplify right side
    2,544,342.88x = 4,910,258,503,666.79
  5. Step 5: Solve for x
    x = 4,910,258,503,666.79/2,544,342.88
  6. Step 6: Final answer
    x = 1,929,872.95

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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.