Home / 2,783,168.70-4,172,760.45-1,075,850.70

Finding the Fourth Proportional to 2,783,168.70, 4,172,760.45 and 1,075,850.70

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Solution

The fourth proportional to 2,783,168.70, 4,172,760.45 and 1,075,850.70 is: 1,613,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,168.70 : 4,172,760.45 = 1,075,850.70 : x
  2. Step 2: Convert to fraction form
    2,783,168.70/4,172,760.45 = 1,075,850.70/x
  3. Step 3: Cross multiply
    2,783,168.70x = 4,172,760.45 × 1,075,850.70
  4. Step 4: Simplify right side
    2,783,168.70x = 4,489,267,251,064.82
  5. Step 5: Solve for x
    x = 4,489,267,251,064.82/2,783,168.70
  6. Step 6: Final answer
    x = 1,613,005.80

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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.