Home / 6,380,427.44-9,548,158.80-3,985,400

Finding the Fourth Proportional to 6,380,427.44, 9,548,158.80 and 3,985,400

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Solution

The fourth proportional to 6,380,427.44, 9,548,158.80 and 3,985,400 is: 5,964,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380,427.44 : 9,548,158.80 = 3,985,400 : x
  2. Step 2: Convert to fraction form
    6,380,427.44/9,548,158.80 = 3,985,400/x
  3. Step 3: Cross multiply
    6,380,427.44x = 9,548,158.80 × 3,985,400
  4. Step 4: Simplify right side
    6,380,427.44x = 38,053,232,081,520
  5. Step 5: Solve for x
    x = 38,053,232,081,520/6,380,427.44
  6. Step 6: Final answer
    x = 5,964,056.87

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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.