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Finding the Fourth Proportional to 2,866,974.56, 4,299,437.04 and 947,530.40

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Solution

The fourth proportional to 2,866,974.56, 4,299,437.04 and 947,530.40 is: 1,420,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,974.56 : 4,299,437.04 = 947,530.40 : x
  2. Step 2: Convert to fraction form
    2,866,974.56/4,299,437.04 = 947,530.40/x
  3. Step 3: Cross multiply
    2,866,974.56x = 4,299,437.04 × 947,530.40
  4. Step 4: Simplify right side
    2,866,974.56x = 4,073,847,298,286.02
  5. Step 5: Solve for x
    x = 4,073,847,298,286.02/2,866,974.56
  6. Step 6: Final answer
    x = 1,420,956.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.