Home / 3,532,233.78-5,299,140.78-1,288,371.78

Finding the Fourth Proportional to 3,532,233.78, 5,299,140.78 and 1,288,371.78

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Solution

The fourth proportional to 3,532,233.78, 5,299,140.78 and 1,288,371.78 is: 1,932,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,233.78 : 5,299,140.78 = 1,288,371.78 : x
  2. Step 2: Convert to fraction form
    3,532,233.78/5,299,140.78 = 1,288,371.78/x
  3. Step 3: Cross multiply
    3,532,233.78x = 5,299,140.78 × 1,288,371.78
  4. Step 4: Simplify right side
    3,532,233.78x = 6,827,263,439,199.19
  5. Step 5: Solve for x
    x = 6,827,263,439,199.19/3,532,233.78
  6. Step 6: Final answer
    x = 1,932,845.86

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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.