Home / 5,734,811.20-7,913,976.80-3,156,436.48

Finding the Fourth Proportional to 5,734,811.20, 7,913,976.80 and 3,156,436.48

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Solution

The fourth proportional to 5,734,811.20, 7,913,976.80 and 3,156,436.48 is: 4,355,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,734,811.20 : 7,913,976.80 = 3,156,436.48 : x
  2. Step 2: Convert to fraction form
    5,734,811.20/7,913,976.80 = 3,156,436.48/x
  3. Step 3: Cross multiply
    5,734,811.20x = 7,913,976.80 × 3,156,436.48
  4. Step 4: Simplify right side
    5,734,811.20x = 24,979,965,073,393.66
  5. Step 5: Solve for x
    x = 24,979,965,073,393.66/5,734,811.20
  6. Step 6: Final answer
    x = 4,355,847.86

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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.