Home / 1,556,516.48-2,147,987.19-868,187.79

Finding the Fourth Proportional to 1,556,516.48, 2,147,987.19 and 868,187.79

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Solution

The fourth proportional to 1,556,516.48, 2,147,987.19 and 868,187.79 is: 1,198,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,516.48 : 2,147,987.19 = 868,187.79 : x
  2. Step 2: Convert to fraction form
    1,556,516.48/2,147,987.19 = 868,187.79/x
  3. Step 3: Cross multiply
    1,556,516.48x = 2,147,987.19 × 868,187.79
  4. Step 4: Simplify right side
    1,556,516.48x = 1,864,856,251,434.41
  5. Step 5: Solve for x
    x = 1,864,856,251,434.41/1,556,516.48
  6. Step 6: Final answer
    x = 1,198,096.05

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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.