Home / 3,910,891.70-5,868,019.05-1,890,654.72

Finding the Fourth Proportional to 3,910,891.70, 5,868,019.05 and 1,890,654.72

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Solution

The fourth proportional to 3,910,891.70, 5,868,019.05 and 1,890,654.72 is: 2,836,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,891.70 : 5,868,019.05 = 1,890,654.72 : x
  2. Step 2: Convert to fraction form
    3,910,891.70/5,868,019.05 = 1,890,654.72/x
  3. Step 3: Cross multiply
    3,910,891.70x = 5,868,019.05 × 1,890,654.72
  4. Step 4: Simplify right side
    3,910,891.70x = 11,094,397,913,932.42
  5. Step 5: Solve for x
    x = 11,094,397,913,932.42/3,910,891.70
  6. Step 6: Final answer
    x = 2,836,794.98

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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.