Home / 2,591,333.60-3,885,250.80-1,328,122.40

Finding the Fourth Proportional to 2,591,333.60, 3,885,250.80 and 1,328,122.40

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Solution

The fourth proportional to 2,591,333.60, 3,885,250.80 and 1,328,122.40 is: 1,991,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,333.60 : 3,885,250.80 = 1,328,122.40 : x
  2. Step 2: Convert to fraction form
    2,591,333.60/3,885,250.80 = 1,328,122.40/x
  3. Step 3: Cross multiply
    2,591,333.60x = 3,885,250.80 × 1,328,122.40
  4. Step 4: Simplify right side
    2,591,333.60x = 5,160,088,617,097.92
  5. Step 5: Solve for x
    x = 5,160,088,617,097.92/2,591,333.60
  6. Step 6: Final answer
    x = 1,991,286.89

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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.