Home / 3,619,946.28-5,421,652.56-1,728,016.32

Finding the Fourth Proportional to 3,619,946.28, 5,421,652.56 and 1,728,016.32

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Solution

The fourth proportional to 3,619,946.28, 5,421,652.56 and 1,728,016.32 is: 2,588,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,946.28 : 5,421,652.56 = 1,728,016.32 : x
  2. Step 2: Convert to fraction form
    3,619,946.28/5,421,652.56 = 1,728,016.32/x
  3. Step 3: Cross multiply
    3,619,946.28x = 5,421,652.56 × 1,728,016.32
  4. Step 4: Simplify right side
    3,619,946.28x = 9,368,704,105,049.78
  5. Step 5: Solve for x
    x = 9,368,704,105,049.78/3,619,946.28
  6. Step 6: Final answer
    x = 2,588,078.21

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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.