Home / 3,193,862.40-4,782,920.40-2,123,107.20

Finding the Fourth Proportional to 3,193,862.40, 4,782,920.40 and 2,123,107.20

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Solution

The fourth proportional to 3,193,862.40, 4,782,920.40 and 2,123,107.20 is: 3,179,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193,862.40 : 4,782,920.40 = 2,123,107.20 : x
  2. Step 2: Convert to fraction form
    3,193,862.40/4,782,920.40 = 2,123,107.20/x
  3. Step 3: Cross multiply
    3,193,862.40x = 4,782,920.40 × 2,123,107.20
  4. Step 4: Simplify right side
    3,193,862.40x = 10,154,652,738,266.88
  5. Step 5: Solve for x
    x = 10,154,652,738,266.88/3,193,862.40
  6. Step 6: Final answer
    x = 3,179,427.12

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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.