Home / 1,856,009.16-2,561,505.12-1,040,433.12

Finding the Fourth Proportional to 1,856,009.16, 2,561,505.12 and 1,040,433.12

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Solution

The fourth proportional to 1,856,009.16, 2,561,505.12 and 1,040,433.12 is: 1,435,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,009.16 : 2,561,505.12 = 1,040,433.12 : x
  2. Step 2: Convert to fraction form
    1,856,009.16/2,561,505.12 = 1,040,433.12/x
  3. Step 3: Cross multiply
    1,856,009.16x = 2,561,505.12 × 1,040,433.12
  4. Step 4: Simplify right side
    1,856,009.16x = 2,665,074,763,897.57
  5. Step 5: Solve for x
    x = 2,665,074,763,897.57/1,856,009.16
  6. Step 6: Final answer
    x = 1,435,916.82

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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.