Home / 5,439,541.78-8,151,091.88-3,639,202.38

Finding the Fourth Proportional to 5,439,541.78, 8,151,091.88 and 3,639,202.38

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Solution

The fourth proportional to 5,439,541.78, 8,151,091.88 and 3,639,202.38 is: 5,453,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,541.78 : 8,151,091.88 = 3,639,202.38 : x
  2. Step 2: Convert to fraction form
    5,439,541.78/8,151,091.88 = 3,639,202.38/x
  3. Step 3: Cross multiply
    5,439,541.78x = 8,151,091.88 × 3,639,202.38
  4. Step 4: Simplify right side
    5,439,541.78x = 29,663,472,969,294.67
  5. Step 5: Solve for x
    x = 29,663,472,969,294.67/5,439,541.78
  6. Step 6: Final answer
    x = 5,453,303.64

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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.