Home / 5,428,839.50-7,494,707.10-4,185,734.80

Finding the Fourth Proportional to 5,428,839.50, 7,494,707.10 and 4,185,734.80

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Solution

The fourth proportional to 5,428,839.50, 7,494,707.10 and 4,185,734.80 is: 5,778,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,839.50 : 7,494,707.10 = 4,185,734.80 : x
  2. Step 2: Convert to fraction form
    5,428,839.50/7,494,707.10 = 4,185,734.80/x
  3. Step 3: Cross multiply
    5,428,839.50x = 7,494,707.10 × 4,185,734.80
  4. Step 4: Simplify right side
    5,428,839.50x = 31,370,856,324,277.08
  5. Step 5: Solve for x
    x = 31,370,856,324,277.08/5,428,839.50
  6. Step 6: Final answer
    x = 5,778,556.60

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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.