Home / 1,855,864.08-2,561,272.20-1,040,206.32

Finding the Fourth Proportional to 1,855,864.08, 2,561,272.20 and 1,040,206.32

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Solution

The fourth proportional to 1,855,864.08, 2,561,272.20 and 1,040,206.32 is: 1,435,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,864.08 : 2,561,272.20 = 1,040,206.32 : x
  2. Step 2: Convert to fraction form
    1,855,864.08/2,561,272.20 = 1,040,206.32/x
  3. Step 3: Cross multiply
    1,855,864.08x = 2,561,272.20 × 1,040,206.32
  4. Step 4: Simplify right side
    1,855,864.08x = 2,664,251,529,680.30
  5. Step 5: Solve for x
    x = 2,664,251,529,680.30/1,855,864.08
  6. Step 6: Final answer
    x = 1,435,585.48

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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.