Home / 3,689,677.28-5,091,881.26-2,140,822

Finding the Fourth Proportional to 3,689,677.28, 5,091,881.26 and 2,140,822

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Solution

The fourth proportional to 3,689,677.28, 5,091,881.26 and 2,140,822 is: 2,954,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,677.28 : 5,091,881.26 = 2,140,822 : x
  2. Step 2: Convert to fraction form
    3,689,677.28/5,091,881.26 = 2,140,822/x
  3. Step 3: Cross multiply
    3,689,677.28x = 5,091,881.26 × 2,140,822
  4. Step 4: Simplify right side
    3,689,677.28x = 10,900,811,422,795.72
  5. Step 5: Solve for x
    x = 10,900,811,422,795.72/3,689,677.28
  6. Step 6: Final answer
    x = 2,954,407.82

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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.