Home / 3,362,692.40-4,640,381.78-1,986,478.04

Finding the Fourth Proportional to 3,362,692.40, 4,640,381.78 and 1,986,478.04

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Solution

The fourth proportional to 3,362,692.40, 4,640,381.78 and 1,986,478.04 is: 2,741,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362,692.40 : 4,640,381.78 = 1,986,478.04 : x
  2. Step 2: Convert to fraction form
    3,362,692.40/4,640,381.78 = 1,986,478.04/x
  3. Step 3: Cross multiply
    3,362,692.40x = 4,640,381.78 × 1,986,478.04
  4. Step 4: Simplify right side
    3,362,692.40x = 9,218,016,503,186.11
  5. Step 5: Solve for x
    x = 9,218,016,503,186.11/3,362,692.40
  6. Step 6: Final answer
    x = 2,741,260.69

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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.