Home / 2,759,761.20-4,139,350.65-738,209.10

Finding the Fourth Proportional to 2,759,761.20, 4,139,350.65 and 738,209.10

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Solution

The fourth proportional to 2,759,761.20, 4,139,350.65 and 738,209.10 is: 1,107,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,761.20 : 4,139,350.65 = 738,209.10 : x
  2. Step 2: Convert to fraction form
    2,759,761.20/4,139,350.65 = 738,209.10/x
  3. Step 3: Cross multiply
    2,759,761.20x = 4,139,350.65 × 738,209.10
  4. Step 4: Simplify right side
    2,759,761.20x = 3,055,706,317,920.92
  5. Step 5: Solve for x
    x = 3,055,706,317,920.92/2,759,761.20
  6. Step 6: Final answer
    x = 1,107,235.77

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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.