Home / 3,976,543.80-5,487,692.94-2,165,706.36

Finding the Fourth Proportional to 3,976,543.80, 5,487,692.94 and 2,165,706.36

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Solution

The fourth proportional to 3,976,543.80, 5,487,692.94 and 2,165,706.36 is: 2,988,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,543.80 : 5,487,692.94 = 2,165,706.36 : x
  2. Step 2: Convert to fraction form
    3,976,543.80/5,487,692.94 = 2,165,706.36/x
  3. Step 3: Cross multiply
    3,976,543.80x = 5,487,692.94 × 2,165,706.36
  4. Step 4: Simplify right side
    3,976,543.80x = 11,884,731,501,885.10
  5. Step 5: Solve for x
    x = 11,884,731,501,885.10/3,976,543.80
  6. Step 6: Final answer
    x = 2,988,708.81

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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.