Home / 5,761,863.18-7,942,135.05-3,900,692.16

Finding the Fourth Proportional to 5,761,863.18, 7,942,135.05 and 3,900,692.16

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Solution

The fourth proportional to 5,761,863.18, 7,942,135.05 and 3,900,692.16 is: 5,376,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761,863.18 : 7,942,135.05 = 3,900,692.16 : x
  2. Step 2: Convert to fraction form
    5,761,863.18/7,942,135.05 = 3,900,692.16/x
  3. Step 3: Cross multiply
    5,761,863.18x = 7,942,135.05 × 3,900,692.16
  4. Step 4: Simplify right side
    5,761,863.18x = 30,979,823,923,196.21
  5. Step 5: Solve for x
    x = 30,979,823,923,196.21/5,761,863.18
  6. Step 6: Final answer
    x = 5,376,702.46

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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.