Home / 2,551,878.50-3,521,590.31-1,405,958.86

Finding the Fourth Proportional to 2,551,878.50, 3,521,590.31 and 1,405,958.86

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Solution

The fourth proportional to 2,551,878.50, 3,521,590.31 and 1,405,958.86 is: 1,940,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,878.50 : 3,521,590.31 = 1,405,958.86 : x
  2. Step 2: Convert to fraction form
    2,551,878.50/3,521,590.31 = 1,405,958.86/x
  3. Step 3: Cross multiply
    2,551,878.50x = 3,521,590.31 × 1,405,958.86
  4. Step 4: Simplify right side
    2,551,878.50x = 4,951,211,092,345.57
  5. Step 5: Solve for x
    x = 4,951,211,092,345.57/2,551,878.50
  6. Step 6: Final answer
    x = 1,940,222.11

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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.