Home / 1,856,011.16-2,561,507.88-1,040,435.12

Finding the Fourth Proportional to 1,856,011.16, 2,561,507.88 and 1,040,435.12

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Solution

The fourth proportional to 1,856,011.16, 2,561,507.88 and 1,040,435.12 is: 1,435,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,011.16 : 2,561,507.88 = 1,040,435.12 : x
  2. Step 2: Convert to fraction form
    1,856,011.16/2,561,507.88 = 1,040,435.12/x
  3. Step 3: Cross multiply
    1,856,011.16x = 2,561,507.88 × 1,040,435.12
  4. Step 4: Simplify right side
    1,856,011.16x = 2,665,082,758,508.75
  5. Step 5: Solve for x
    x = 2,665,082,758,508.75/1,856,011.16
  6. Step 6: Final answer
    x = 1,435,919.58

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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.