Home / 3,849,078.57-5,313,056.13-2,218,135.88

Finding the Fourth Proportional to 3,849,078.57, 5,313,056.13 and 2,218,135.88

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Solution

The fourth proportional to 3,849,078.57, 5,313,056.13 and 2,218,135.88 is: 3,061,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,078.57 : 5,313,056.13 = 2,218,135.88 : x
  2. Step 2: Convert to fraction form
    3,849,078.57/5,313,056.13 = 2,218,135.88/x
  3. Step 3: Cross multiply
    3,849,078.57x = 5,313,056.13 × 2,218,135.88
  4. Step 4: Simplify right side
    3,849,078.57x = 11,785,080,407,841.66
  5. Step 5: Solve for x
    x = 11,785,080,407,841.66/3,849,078.57
  6. Step 6: Final answer
    x = 3,061,792.63

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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.