Home / 3,078,645.90-4,618,474.29-948,730.38

Finding the Fourth Proportional to 3,078,645.90, 4,618,474.29 and 948,730.38

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Solution

The fourth proportional to 3,078,645.90, 4,618,474.29 and 948,730.38 is: 1,423,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,645.90 : 4,618,474.29 = 948,730.38 : x
  2. Step 2: Convert to fraction form
    3,078,645.90/4,618,474.29 = 948,730.38/x
  3. Step 3: Cross multiply
    3,078,645.90x = 4,618,474.29 × 948,730.38
  4. Step 4: Simplify right side
    3,078,645.90x = 4,381,686,868,171.93
  5. Step 5: Solve for x
    x = 4,381,686,868,171.93/3,078,645.90
  6. Step 6: Final answer
    x = 1,423,251.33

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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.