Home / 4,000,471.88-5,520,650.78-2,164,930.13

Finding the Fourth Proportional to 4,000,471.88, 5,520,650.78 and 2,164,930.13

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Solution

The fourth proportional to 4,000,471.88, 5,520,650.78 and 2,164,930.13 is: 2,987,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000,471.88 : 5,520,650.78 = 2,164,930.13 : x
  2. Step 2: Convert to fraction form
    4,000,471.88/5,520,650.78 = 2,164,930.13/x
  3. Step 3: Cross multiply
    4,000,471.88x = 5,520,650.78 × 2,164,930.13
  4. Step 4: Simplify right side
    4,000,471.88x = 11,951,823,230,043.95
  5. Step 5: Solve for x
    x = 11,951,823,230,043.95/4,000,471.88
  6. Step 6: Final answer
    x = 2,987,603.36

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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.