Home / 3,918,689.66-5,407,612.22-2,176,470.44

Finding the Fourth Proportional to 3,918,689.66, 5,407,612.22 and 2,176,470.44

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Solution

The fourth proportional to 3,918,689.66, 5,407,612.22 and 2,176,470.44 is: 3,003,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,689.66 : 5,407,612.22 = 2,176,470.44 : x
  2. Step 2: Convert to fraction form
    3,918,689.66/5,407,612.22 = 2,176,470.44/x
  3. Step 3: Cross multiply
    3,918,689.66x = 5,407,612.22 × 2,176,470.44
  4. Step 4: Simplify right side
    3,918,689.66x = 11,769,508,140,373.12
  5. Step 5: Solve for x
    x = 11,769,508,140,373.12/3,918,689.66
  6. Step 6: Final answer
    x = 3,003,429.51

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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.