Home / 2,669,338.64-4,003,169.88-871,812.56

Finding the Fourth Proportional to 2,669,338.64, 4,003,169.88 and 871,812.56

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Solution

The fourth proportional to 2,669,338.64, 4,003,169.88 and 871,812.56 is: 1,307,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,338.64 : 4,003,169.88 = 871,812.56 : x
  2. Step 2: Convert to fraction form
    2,669,338.64/4,003,169.88 = 871,812.56/x
  3. Step 3: Cross multiply
    2,669,338.64x = 4,003,169.88 × 871,812.56
  4. Step 4: Simplify right side
    2,669,338.64x = 3,490,013,781,197.69
  5. Step 5: Solve for x
    x = 3,490,013,781,197.69/2,669,338.64
  6. Step 6: Final answer
    x = 1,307,445.12

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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.