Home / 2,150,938.78-3,226,393.74-871,527.36

Finding the Fourth Proportional to 2,150,938.78, 3,226,393.74 and 871,527.36

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Solution

The fourth proportional to 2,150,938.78, 3,226,393.74 and 871,527.36 is: 1,307,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150,938.78 : 3,226,393.74 = 871,527.36 : x
  2. Step 2: Convert to fraction form
    2,150,938.78/3,226,393.74 = 871,527.36/x
  3. Step 3: Cross multiply
    2,150,938.78x = 3,226,393.74 × 871,527.36
  4. Step 4: Simplify right side
    2,150,938.78x = 2,811,890,418,542.73
  5. Step 5: Solve for x
    x = 2,811,890,418,542.73/2,150,938.78
  6. Step 6: Final answer
    x = 1,307,285.19

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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.