Home / 2,381,419.04-3,286,364.60-1,293,681.78

Finding the Fourth Proportional to 2,381,419.04, 3,286,364.60 and 1,293,681.78

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Solution

The fourth proportional to 2,381,419.04, 3,286,364.60 and 1,293,681.78 is: 1,785,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,419.04 : 3,286,364.60 = 1,293,681.78 : x
  2. Step 2: Convert to fraction form
    2,381,419.04/3,286,364.60 = 1,293,681.78/x
  3. Step 3: Cross multiply
    2,381,419.04x = 3,286,364.60 × 1,293,681.78
  4. Step 4: Simplify right side
    2,381,419.04x = 4,251,510,008,691.19
  5. Step 5: Solve for x
    x = 4,251,510,008,691.19/2,381,419.04
  6. Step 6: Final answer
    x = 1,785,284.30

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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.