Home / 3,837,523.20-5,756,205.75-1,278,923.96

Finding the Fourth Proportional to 3,837,523.20, 5,756,205.75 and 1,278,923.96

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Solution

The fourth proportional to 3,837,523.20, 5,756,205.75 and 1,278,923.96 is: 1,918,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837,523.20 : 5,756,205.75 = 1,278,923.96 : x
  2. Step 2: Convert to fraction form
    3,837,523.20/5,756,205.75 = 1,278,923.96/x
  3. Step 3: Cross multiply
    3,837,523.20x = 5,756,205.75 × 1,278,923.96
  4. Step 4: Simplify right side
    3,837,523.20x = 7,361,749,452,364.77
  5. Step 5: Solve for x
    x = 7,361,749,452,364.77/3,837,523.20
  6. Step 6: Final answer
    x = 1,918,359.60

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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.