Home / 2,979,881.40-4,469,822.10-1,086,684.60

Finding the Fourth Proportional to 2,979,881.40, 4,469,822.10 and 1,086,684.60

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Solution

The fourth proportional to 2,979,881.40, 4,469,822.10 and 1,086,684.60 is: 1,630,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,881.40 : 4,469,822.10 = 1,086,684.60 : x
  2. Step 2: Convert to fraction form
    2,979,881.40/4,469,822.10 = 1,086,684.60/x
  3. Step 3: Cross multiply
    2,979,881.40x = 4,469,822.10 × 1,086,684.60
  4. Step 4: Simplify right side
    2,979,881.40x = 4,857,286,840,809.66
  5. Step 5: Solve for x
    x = 4,857,286,840,809.66/2,979,881.40
  6. Step 6: Final answer
    x = 1,630,026.90

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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.