Home / 1,986,692.22-2,980,482.56-724,519.84

Finding the Fourth Proportional to 1,986,692.22, 2,980,482.56 and 724,519.84

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Solution

The fourth proportional to 1,986,692.22, 2,980,482.56 and 724,519.84 is: 1,086,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,692.22 : 2,980,482.56 = 724,519.84 : x
  2. Step 2: Convert to fraction form
    1,986,692.22/2,980,482.56 = 724,519.84/x
  3. Step 3: Cross multiply
    1,986,692.22x = 2,980,482.56 × 724,519.84
  4. Step 4: Simplify right side
    1,986,692.22x = 2,159,418,747,493.99
  5. Step 5: Solve for x
    x = 2,159,418,747,493.99/1,986,692.22
  6. Step 6: Final answer
    x = 1,086,941.76

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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.