Home / 5,338,125.09-7,366,616.61-2,890,738.82

Finding the Fourth Proportional to 5,338,125.09, 7,366,616.61 and 2,890,738.82

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Solution

The fourth proportional to 5,338,125.09, 7,366,616.61 and 2,890,738.82 is: 3,989,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,125.09 : 7,366,616.61 = 2,890,738.82 : x
  2. Step 2: Convert to fraction form
    5,338,125.09/7,366,616.61 = 2,890,738.82/x
  3. Step 3: Cross multiply
    5,338,125.09x = 7,366,616.61 × 2,890,738.82
  4. Step 4: Simplify right side
    5,338,125.09x = 21,294,964,569,750.72
  5. Step 5: Solve for x
    x = 21,294,964,569,750.72/5,338,125.09
  6. Step 6: Final answer
    x = 3,989,221.73

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1.5x scale

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.