Home / 5,120,587.09-7,675,515.89-2,385,879.56

Finding the Fourth Proportional to 5,120,587.09, 7,675,515.89 and 2,385,879.56

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Solution

The fourth proportional to 5,120,587.09, 7,675,515.89 and 2,385,879.56 is: 3,576,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,587.09 : 7,675,515.89 = 2,385,879.56 : x
  2. Step 2: Convert to fraction form
    5,120,587.09/7,675,515.89 = 2,385,879.56/x
  3. Step 3: Cross multiply
    5,120,587.09x = 7,675,515.89 × 2,385,879.56
  4. Step 4: Simplify right side
    5,120,587.09x = 18,312,856,481,665.60
  5. Step 5: Solve for x
    x = 18,312,856,481,665.60/5,120,587.09
  6. Step 6: Final answer
    x = 3,576,319.70

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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.