Home / 2,665,961.20-3,998,941.80-1,170,053.20

Finding the Fourth Proportional to 2,665,961.20, 3,998,941.80 and 1,170,053.20

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Solution

The fourth proportional to 2,665,961.20, 3,998,941.80 and 1,170,053.20 is: 1,755,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,961.20 : 3,998,941.80 = 1,170,053.20 : x
  2. Step 2: Convert to fraction form
    2,665,961.20/3,998,941.80 = 1,170,053.20/x
  3. Step 3: Cross multiply
    2,665,961.20x = 3,998,941.80 × 1,170,053.20
  4. Step 4: Simplify right side
    2,665,961.20x = 4,678,974,649,703.76
  5. Step 5: Solve for x
    x = 4,678,974,649,703.76/2,665,961.20
  6. Step 6: Final answer
    x = 1,755,079.80

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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.