Home / 3,717,777.87-5,127,640.93-2,689,144.29

Finding the Fourth Proportional to 3,717,777.87, 5,127,640.93 and 2,689,144.29

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Solution

The fourth proportional to 3,717,777.87, 5,127,640.93 and 2,689,144.29 is: 3,708,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717,777.87 : 5,127,640.93 = 2,689,144.29 : x
  2. Step 2: Convert to fraction form
    3,717,777.87/5,127,640.93 = 2,689,144.29/x
  3. Step 3: Cross multiply
    3,717,777.87x = 5,127,640.93 × 2,689,144.29
  4. Step 4: Simplify right side
    3,717,777.87x = 13,788,966,328,079.79
  5. Step 5: Solve for x
    x = 13,788,966,328,079.79/3,717,777.87
  6. Step 6: Final answer
    x = 3,708,926.89

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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.