Home / 6,385,123.20-9,577,659.60-1,897,399.20

Finding the Fourth Proportional to 6,385,123.20, 9,577,659.60 and 1,897,399.20

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Solution

The fourth proportional to 6,385,123.20, 9,577,659.60 and 1,897,399.20 is: 2,846,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,123.20 : 9,577,659.60 = 1,897,399.20 : x
  2. Step 2: Convert to fraction form
    6,385,123.20/9,577,659.60 = 1,897,399.20/x
  3. Step 3: Cross multiply
    6,385,123.20x = 9,577,659.60 × 1,897,399.20
  4. Step 4: Simplify right side
    6,385,123.20x = 18,172,643,662,912.32
  5. Step 5: Solve for x
    x = 18,172,643,662,912.32/6,385,123.20
  6. Step 6: Final answer
    x = 2,846,091.31

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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.