Home / 2,219,051.28-3,328,672.02-871,505.88

Finding the Fourth Proportional to 2,219,051.28, 3,328,672.02 and 871,505.88

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Solution

The fourth proportional to 2,219,051.28, 3,328,672.02 and 871,505.88 is: 1,307,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,051.28 : 3,328,672.02 = 871,505.88 : x
  2. Step 2: Convert to fraction form
    2,219,051.28/3,328,672.02 = 871,505.88/x
  3. Step 3: Cross multiply
    2,219,051.28x = 3,328,672.02 × 871,505.88
  4. Step 4: Simplify right side
    2,219,051.28x = 2,900,957,238,021.48
  5. Step 5: Solve for x
    x = 2,900,957,238,021.48/2,219,051.28
  6. Step 6: Final answer
    x = 1,307,296.17

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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.