Home / 3,976,731.66-5,486,143.59-2,687,101.50

Finding the Fourth Proportional to 3,976,731.66, 5,486,143.59 and 2,687,101.50

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Solution

The fourth proportional to 3,976,731.66, 5,486,143.59 and 2,687,101.50 is: 3,707,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,731.66 : 5,486,143.59 = 2,687,101.50 : x
  2. Step 2: Convert to fraction form
    3,976,731.66/5,486,143.59 = 2,687,101.50/x
  3. Step 3: Cross multiply
    3,976,731.66x = 5,486,143.59 × 2,687,101.50
  4. Step 4: Simplify right side
    3,976,731.66x = 14,741,824,669,904.38
  5. Step 5: Solve for x
    x = 14,741,824,669,904.38/3,976,731.66
  6. Step 6: Final answer
    x = 3,707,020.22

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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.