Home / 2,591,368.20-3,885,302.70-1,377,145.80

Finding the Fourth Proportional to 2,591,368.20, 3,885,302.70 and 1,377,145.80

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Solution

The fourth proportional to 2,591,368.20, 3,885,302.70 and 1,377,145.80 is: 2,064,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,368.20 : 3,885,302.70 = 1,377,145.80 : x
  2. Step 2: Convert to fraction form
    2,591,368.20/3,885,302.70 = 1,377,145.80/x
  3. Step 3: Cross multiply
    2,591,368.20x = 3,885,302.70 × 1,377,145.80
  4. Step 4: Simplify right side
    2,591,368.20x = 5,350,628,295,033.66
  5. Step 5: Solve for x
    x = 5,350,628,295,033.66/2,591,368.20
  6. Step 6: Final answer
    x = 2,064,788.90

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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.