Home / 3,179,838.71-4,387,779.13-2,149,588.11

Finding the Fourth Proportional to 3,179,838.71, 4,387,779.13 and 2,149,588.11

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Solution

The fourth proportional to 3,179,838.71, 4,387,779.13 and 2,149,588.11 is: 2,966,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,838.71 : 4,387,779.13 = 2,149,588.11 : x
  2. Step 2: Convert to fraction form
    3,179,838.71/4,387,779.13 = 2,149,588.11/x
  3. Step 3: Cross multiply
    3,179,838.71x = 4,387,779.13 × 2,149,588.11
  4. Step 4: Simplify right side
    3,179,838.71x = 9,431,917,847,154.14
  5. Step 5: Solve for x
    x = 9,431,917,847,154.14/3,179,838.71
  6. Step 6: Final answer
    x = 2,966,162.35

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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.