Home / 3,815,996.40-5,720,437.08-1,289,885.04

Finding the Fourth Proportional to 3,815,996.40, 5,720,437.08 and 1,289,885.04

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Solution

The fourth proportional to 3,815,996.40, 5,720,437.08 and 1,289,885.04 is: 1,933,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815,996.40 : 5,720,437.08 = 1,289,885.04 : x
  2. Step 2: Convert to fraction form
    3,815,996.40/5,720,437.08 = 1,289,885.04/x
  3. Step 3: Cross multiply
    3,815,996.40x = 5,720,437.08 × 1,289,885.04
  4. Step 4: Simplify right side
    3,815,996.40x = 7,378,706,211,753.28
  5. Step 5: Solve for x
    x = 7,378,706,211,753.28/3,815,996.40
  6. Step 6: Final answer
    x = 1,933,625.05

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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.