Home / 2,049,428.80-3,074,143.20-1,199,123.20

Finding the Fourth Proportional to 2,049,428.80, 3,074,143.20 and 1,199,123.20

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Solution

The fourth proportional to 2,049,428.80, 3,074,143.20 and 1,199,123.20 is: 1,798,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049,428.80 : 3,074,143.20 = 1,199,123.20 : x
  2. Step 2: Convert to fraction form
    2,049,428.80/3,074,143.20 = 1,199,123.20/x
  3. Step 3: Cross multiply
    2,049,428.80x = 3,074,143.20 × 1,199,123.20
  4. Step 4: Simplify right side
    2,049,428.80x = 3,686,276,431,242.24
  5. Step 5: Solve for x
    x = 3,686,276,431,242.24/2,049,428.80
  6. Step 6: Final answer
    x = 1,798,684.80

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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.