Home / 5,437,821.15-7,504,385.76-2,990,621.61

Finding the Fourth Proportional to 5,437,821.15, 7,504,385.76 and 2,990,621.61

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Solution

The fourth proportional to 5,437,821.15, 7,504,385.76 and 2,990,621.61 is: 4,127,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437,821.15 : 7,504,385.76 = 2,990,621.61 : x
  2. Step 2: Convert to fraction form
    5,437,821.15/7,504,385.76 = 2,990,621.61/x
  3. Step 3: Cross multiply
    5,437,821.15x = 7,504,385.76 × 2,990,621.61
  4. Step 4: Simplify right side
    5,437,821.15x = 22,442,778,223,632.27
  5. Step 5: Solve for x
    x = 22,442,778,223,632.27/5,437,821.15
  6. Step 6: Final answer
    x = 4,127,163.73

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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.