Home / 5,175,688.24-7,142,478.10-3,001,520.46

Finding the Fourth Proportional to 5,175,688.24, 7,142,478.10 and 3,001,520.46

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Solution

The fourth proportional to 5,175,688.24, 7,142,478.10 and 3,001,520.46 is: 4,142,114.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,688.24 : 7,142,478.10 = 3,001,520.46 : x
  2. Step 2: Convert to fraction form
    5,175,688.24/7,142,478.10 = 3,001,520.46/x
  3. Step 3: Cross multiply
    5,175,688.24x = 7,142,478.10 × 3,001,520.46
  4. Step 4: Simplify right side
    5,175,688.24x = 21,438,294,152,251.93
  5. Step 5: Solve for x
    x = 21,438,294,152,251.93/5,175,688.24
  6. Step 6: Final answer
    x = 4,142,114.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.