Home / 3,230,638.60-4,845,914.70-986,787.40

Finding the Fourth Proportional to 3,230,638.60, 4,845,914.70 and 986,787.40

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Solution

The fourth proportional to 3,230,638.60, 4,845,914.70 and 986,787.40 is: 1,480,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,638.60 : 4,845,914.70 = 986,787.40 : x
  2. Step 2: Convert to fraction form
    3,230,638.60/4,845,914.70 = 986,787.40/x
  3. Step 3: Cross multiply
    3,230,638.60x = 4,845,914.70 × 986,787.40
  4. Step 4: Simplify right side
    3,230,638.60x = 4,781,887,567,434.78
  5. Step 5: Solve for x
    x = 4,781,887,567,434.78/3,230,638.60
  6. Step 6: Final answer
    x = 1,480,167.90

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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.