Home / 3,220,121.28-4,443,777.02-1,769,965.32

Finding the Fourth Proportional to 3,220,121.28, 4,443,777.02 and 1,769,965.32

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Solution

The fourth proportional to 3,220,121.28, 4,443,777.02 and 1,769,965.32 is: 2,442,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,121.28 : 4,443,777.02 = 1,769,965.32 : x
  2. Step 2: Convert to fraction form
    3,220,121.28/4,443,777.02 = 1,769,965.32/x
  3. Step 3: Cross multiply
    3,220,121.28x = 4,443,777.02 × 1,769,965.32
  4. Step 4: Simplify right side
    3,220,121.28x = 7,865,331,231,324.00
  5. Step 5: Solve for x
    x = 7,865,331,231,324.00/3,220,121.28
  6. Step 6: Final answer
    x = 2,442,557.45

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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.