Home / 2,381,865.13-3,286,987.35-1,294,145.49

Finding the Fourth Proportional to 2,381,865.13, 3,286,987.35 and 1,294,145.49

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Solution

The fourth proportional to 2,381,865.13, 3,286,987.35 and 1,294,145.49 is: 1,785,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,865.13 : 3,286,987.35 = 1,294,145.49 : x
  2. Step 2: Convert to fraction form
    2,381,865.13/3,286,987.35 = 1,294,145.49/x
  3. Step 3: Cross multiply
    2,381,865.13x = 3,286,987.35 × 1,294,145.49
  4. Step 4: Simplify right side
    2,381,865.13x = 4,253,839,854,689.55
  5. Step 5: Solve for x
    x = 4,253,839,854,689.55/2,381,865.13
  6. Step 6: Final answer
    x = 1,785,928.10

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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.