Home / 6,393,709.80-9,578,123.10-3,861,844.20

Finding the Fourth Proportional to 6,393,709.80, 9,578,123.10 and 3,861,844.20

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Solution

The fourth proportional to 6,393,709.80, 9,578,123.10 and 3,861,844.20 is: 5,785,251.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393,709.80 : 9,578,123.10 = 3,861,844.20 : x
  2. Step 2: Convert to fraction form
    6,393,709.80/9,578,123.10 = 3,861,844.20/x
  3. Step 3: Cross multiply
    6,393,709.80x = 9,578,123.10 × 3,861,844.20
  4. Step 4: Simplify right side
    6,393,709.80x = 36,989,219,140,621.02
  5. Step 5: Solve for x
    x = 36,989,219,140,621.02/6,393,709.80
  6. Step 6: Final answer
    x = 5,785,251.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.