Home / 5,170,385.72-7,756,741.51-1,576,515.96

Finding the Fourth Proportional to 5,170,385.72, 7,756,741.51 and 1,576,515.96

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Solution

The fourth proportional to 5,170,385.72, 7,756,741.51 and 1,576,515.96 is: 2,365,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170,385.72 : 7,756,741.51 = 1,576,515.96 : x
  2. Step 2: Convert to fraction form
    5,170,385.72/7,756,741.51 = 1,576,515.96/x
  3. Step 3: Cross multiply
    5,170,385.72x = 7,756,741.51 × 1,576,515.96
  4. Step 4: Simplify right side
    5,170,385.72x = 12,228,626,784,168.21
  5. Step 5: Solve for x
    x = 12,228,626,784,168.21/5,170,385.72
  6. Step 6: Final answer
    x = 2,365,128.53

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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.