Home / 2,758,959.70-4,138,614.48-865,775.86

Finding the Fourth Proportional to 2,758,959.70, 4,138,614.48 and 865,775.86

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Solution

The fourth proportional to 2,758,959.70, 4,138,614.48 and 865,775.86 is: 1,298,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,959.70 : 4,138,614.48 = 865,775.86 : x
  2. Step 2: Convert to fraction form
    2,758,959.70/4,138,614.48 = 865,775.86/x
  3. Step 3: Cross multiply
    2,758,959.70x = 4,138,614.48 × 865,775.86
  4. Step 4: Simplify right side
    2,758,959.70x = 3,583,112,510,630.45
  5. Step 5: Solve for x
    x = 3,583,112,510,630.45/2,758,959.70
  6. Step 6: Final answer
    x = 1,298,718.68

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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.