Home / 2,082,011.40-3,123,017.10-1,284,193.80

Finding the Fourth Proportional to 2,082,011.40, 3,123,017.10 and 1,284,193.80

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Solution

The fourth proportional to 2,082,011.40, 3,123,017.10 and 1,284,193.80 is: 1,926,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082,011.40 : 3,123,017.10 = 1,284,193.80 : x
  2. Step 2: Convert to fraction form
    2,082,011.40/3,123,017.10 = 1,284,193.80/x
  3. Step 3: Cross multiply
    2,082,011.40x = 3,123,017.10 × 1,284,193.80
  4. Step 4: Simplify right side
    2,082,011.40x = 4,010,559,197,113.98
  5. Step 5: Solve for x
    x = 4,010,559,197,113.98/2,082,011.40
  6. Step 6: Final answer
    x = 1,926,290.70

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Similar ratio
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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.