Home / 3,866,541.69-5,335,912.09-2,124,233.54

Finding the Fourth Proportional to 3,866,541.69, 5,335,912.09 and 2,124,233.54

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Solution

The fourth proportional to 3,866,541.69, 5,335,912.09 and 2,124,233.54 is: 2,931,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866,541.69 : 5,335,912.09 = 2,124,233.54 : x
  2. Step 2: Convert to fraction form
    3,866,541.69/5,335,912.09 = 2,124,233.54/x
  3. Step 3: Cross multiply
    3,866,541.69x = 5,335,912.09 × 2,124,233.54
  4. Step 4: Simplify right side
    3,866,541.69x = 11,334,723,428,069.50
  5. Step 5: Solve for x
    x = 11,334,723,428,069.50/3,866,541.69
  6. Step 6: Final answer
    x = 2,931,488.74

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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.