Home / 3,121,402.60-4,682,103.90-1,840,695.40

Finding the Fourth Proportional to 3,121,402.60, 4,682,103.90 and 1,840,695.40

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Solution

The fourth proportional to 3,121,402.60, 4,682,103.90 and 1,840,695.40 is: 2,761,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,402.60 : 4,682,103.90 = 1,840,695.40 : x
  2. Step 2: Convert to fraction form
    3,121,402.60/4,682,103.90 = 1,840,695.40/x
  3. Step 3: Cross multiply
    3,121,402.60x = 4,682,103.90 × 1,840,695.40
  4. Step 4: Simplify right side
    3,121,402.60x = 8,618,327,111,052.06
  5. Step 5: Solve for x
    x = 8,618,327,111,052.06/3,121,402.60
  6. Step 6: Final answer
    x = 2,761,043.10

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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.