Home / 1,941,638.65-2,679,473.78-1,082,253.40

Finding the Fourth Proportional to 1,941,638.65, 2,679,473.78 and 1,082,253.40

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Solution

The fourth proportional to 1,941,638.65, 2,679,473.78 and 1,082,253.40 is: 1,493,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,638.65 : 2,679,473.78 = 1,082,253.40 : x
  2. Step 2: Convert to fraction form
    1,941,638.65/2,679,473.78 = 1,082,253.40/x
  3. Step 3: Cross multiply
    1,941,638.65x = 2,679,473.78 × 1,082,253.40
  4. Step 4: Simplify right side
    1,941,638.65x = 2,899,869,608,615.85
  5. Step 5: Solve for x
    x = 2,899,869,608,615.85/1,941,638.65
  6. Step 6: Final answer
    x = 1,493,516.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.