Home / 3,861,029.80-5,328,860.70-2,142,702.28

Finding the Fourth Proportional to 3,861,029.80, 5,328,860.70 and 2,142,702.28

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Solution

The fourth proportional to 3,861,029.80, 5,328,860.70 and 2,142,702.28 is: 2,957,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,029.80 : 5,328,860.70 = 2,142,702.28 : x
  2. Step 2: Convert to fraction form
    3,861,029.80/5,328,860.70 = 2,142,702.28/x
  3. Step 3: Cross multiply
    3,861,029.80x = 5,328,860.70 × 2,142,702.28
  4. Step 4: Simplify right side
    3,861,029.80x = 11,418,161,971,692.39
  5. Step 5: Solve for x
    x = 11,418,161,971,692.39/3,861,029.80
  6. Step 6: Final answer
    x = 2,957,284.08

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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.