Home / 3,078,645.40-4,618,473.54-948,729.88

Finding the Fourth Proportional to 3,078,645.40, 4,618,473.54 and 948,729.88

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Solution

The fourth proportional to 3,078,645.40, 4,618,473.54 and 948,729.88 is: 1,423,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,645.40 : 4,618,473.54 = 948,729.88 : x
  2. Step 2: Convert to fraction form
    3,078,645.40/4,618,473.54 = 948,729.88/x
  3. Step 3: Cross multiply
    3,078,645.40x = 4,618,473.54 × 948,729.88
  4. Step 4: Simplify right side
    3,078,645.40x = 4,381,683,847,387.38
  5. Step 5: Solve for x
    x = 4,381,683,847,387.38/3,078,645.40
  6. Step 6: Final answer
    x = 1,423,250.58

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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.