Home / 2,551,898.40-3,521,617.86-1,405,978.75

Finding the Fourth Proportional to 2,551,898.40, 3,521,617.86 and 1,405,978.75

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Solution

The fourth proportional to 2,551,898.40, 3,521,617.86 and 1,405,978.75 is: 1,940,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,898.40 : 3,521,617.86 = 1,405,978.75 : x
  2. Step 2: Convert to fraction form
    2,551,898.40/3,521,617.86 = 1,405,978.75/x
  3. Step 3: Cross multiply
    2,551,898.40x = 3,521,617.86 × 1,405,978.75
  4. Step 4: Simplify right side
    2,551,898.40x = 4,951,319,876,780.47
  5. Step 5: Solve for x
    x = 4,951,319,876,780.47/2,551,898.40
  6. Step 6: Final answer
    x = 1,940,249.61

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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.