Home / 2,758,958.70-4,138,612.98-865,774.86

Finding the Fourth Proportional to 2,758,958.70, 4,138,612.98 and 865,774.86

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Solution

The fourth proportional to 2,758,958.70, 4,138,612.98 and 865,774.86 is: 1,298,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,958.70 : 4,138,612.98 = 865,774.86 : x
  2. Step 2: Convert to fraction form
    2,758,958.70/4,138,612.98 = 865,774.86/x
  3. Step 3: Cross multiply
    2,758,958.70x = 4,138,612.98 × 865,774.86
  4. Step 4: Simplify right side
    2,758,958.70x = 3,583,107,073,353.68
  5. Step 5: Solve for x
    x = 3,583,107,073,353.68/2,758,958.70
  6. Step 6: Final answer
    x = 1,298,717.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.