Home / 1,805,717.05-2,491,822.72-978,772.86

Finding the Fourth Proportional to 1,805,717.05, 2,491,822.72 and 978,772.86

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Solution

The fourth proportional to 1,805,717.05, 2,491,822.72 and 978,772.86 is: 1,350,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,717.05 : 2,491,822.72 = 978,772.86 : x
  2. Step 2: Convert to fraction form
    1,805,717.05/2,491,822.72 = 978,772.86/x
  3. Step 3: Cross multiply
    1,805,717.05x = 2,491,822.72 × 978,772.86
  4. Step 4: Simplify right side
    1,805,717.05x = 2,438,928,445,373.51
  5. Step 5: Solve for x
    x = 2,438,928,445,373.51/1,805,717.05
  6. Step 6: Final answer
    x = 1,350,670.33

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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.