Home / 2,485,872.32-3,728,966.08-780,082.94

Finding the Fourth Proportional to 2,485,872.32, 3,728,966.08 and 780,082.94

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Solution

The fourth proportional to 2,485,872.32, 3,728,966.08 and 780,082.94 is: 1,170,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,872.32 : 3,728,966.08 = 780,082.94 : x
  2. Step 2: Convert to fraction form
    2,485,872.32/3,728,966.08 = 780,082.94/x
  3. Step 3: Cross multiply
    2,485,872.32x = 3,728,966.08 × 780,082.94
  4. Step 4: Simplify right side
    2,485,872.32x = 2,908,902,830,218.88
  5. Step 5: Solve for x
    x = 2,908,902,830,218.88/2,485,872.32
  6. Step 6: Final answer
    x = 1,170,173.87

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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.