Home / 6,289,657.29-8,679,612.78-3,498,766.92

Finding the Fourth Proportional to 6,289,657.29, 8,679,612.78 and 3,498,766.92

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Solution

The fourth proportional to 6,289,657.29, 8,679,612.78 and 3,498,766.92 is: 4,828,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289,657.29 : 8,679,612.78 = 3,498,766.92 : x
  2. Step 2: Convert to fraction form
    6,289,657.29/8,679,612.78 = 3,498,766.92/x
  3. Step 3: Cross multiply
    6,289,657.29x = 8,679,612.78 × 3,498,766.92
  4. Step 4: Simplify right side
    6,289,657.29x = 30,367,942,073,073.23
  5. Step 5: Solve for x
    x = 30,367,942,073,073.23/6,289,657.29
  6. Step 6: Final answer
    x = 4,828,234.78

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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.