Home / 5,159,929.72-7,120,707.56-2,836,861.76

Finding the Fourth Proportional to 5,159,929.72, 7,120,707.56 and 2,836,861.76

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Solution

The fourth proportional to 5,159,929.72, 7,120,707.56 and 2,836,861.76 is: 3,914,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159,929.72 : 7,120,707.56 = 2,836,861.76 : x
  2. Step 2: Convert to fraction form
    5,159,929.72/7,120,707.56 = 2,836,861.76/x
  3. Step 3: Cross multiply
    5,159,929.72x = 7,120,707.56 × 2,836,861.76
  4. Step 4: Simplify right side
    5,159,929.72x = 20,200,462,971,265.96
  5. Step 5: Solve for x
    x = 20,200,462,971,265.96/5,159,929.72
  6. Step 6: Final answer
    x = 3,914,871.73

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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.