Home / 1,584,481.78-2,186,864.40-940,257.19

Finding the Fourth Proportional to 1,584,481.78, 2,186,864.40 and 940,257.19

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Solution

The fourth proportional to 1,584,481.78, 2,186,864.40 and 940,257.19 is: 1,297,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,481.78 : 2,186,864.40 = 940,257.19 : x
  2. Step 2: Convert to fraction form
    1,584,481.78/2,186,864.40 = 940,257.19/x
  3. Step 3: Cross multiply
    1,584,481.78x = 2,186,864.40 × 940,257.19
  4. Step 4: Simplify right side
    1,584,481.78x = 2,056,214,975,655.04
  5. Step 5: Solve for x
    x = 2,056,214,975,655.04/1,584,481.78
  6. Step 6: Final answer
    x = 1,297,720.81

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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.