Home / 3,230,640.60-4,845,917.70-986,789.40

Finding the Fourth Proportional to 3,230,640.60, 4,845,917.70 and 986,789.40

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Solution

The fourth proportional to 3,230,640.60, 4,845,917.70 and 986,789.40 is: 1,480,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,640.60 : 4,845,917.70 = 986,789.40 : x
  2. Step 2: Convert to fraction form
    3,230,640.60/4,845,917.70 = 986,789.40/x
  3. Step 3: Cross multiply
    3,230,640.60x = 4,845,917.70 × 986,789.40
  4. Step 4: Simplify right side
    3,230,640.60x = 4,781,900,219,632.38
  5. Step 5: Solve for x
    x = 4,781,900,219,632.38/3,230,640.60
  6. Step 6: Final answer
    x = 1,480,170.90

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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.