Home / 5,909,801.70-8,864,702.55-2,123,408.10

Finding the Fourth Proportional to 5,909,801.70, 8,864,702.55 and 2,123,408.10

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Solution

The fourth proportional to 5,909,801.70, 8,864,702.55 and 2,123,408.10 is: 3,185,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909,801.70 : 8,864,702.55 = 2,123,408.10 : x
  2. Step 2: Convert to fraction form
    5,909,801.70/8,864,702.55 = 2,123,408.10/x
  3. Step 3: Cross multiply
    5,909,801.70x = 8,864,702.55 × 2,123,408.10
  4. Step 4: Simplify right side
    5,909,801.70x = 18,823,381,198,760.66
  5. Step 5: Solve for x
    x = 18,823,381,198,760.66/5,909,801.70
  6. Step 6: Final answer
    x = 3,185,112.15

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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.