Home / 2,291,641.43-3,161,279.39-1,556,633.62

Finding the Fourth Proportional to 2,291,641.43, 3,161,279.39 and 1,556,633.62

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Solution

The fourth proportional to 2,291,641.43, 3,161,279.39 and 1,556,633.62 is: 2,147,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,641.43 : 3,161,279.39 = 1,556,633.62 : x
  2. Step 2: Convert to fraction form
    2,291,641.43/3,161,279.39 = 1,556,633.62/x
  3. Step 3: Cross multiply
    2,291,641.43x = 3,161,279.39 × 1,556,633.62
  4. Step 4: Simplify right side
    2,291,641.43x = 4,920,953,765,000.72
  5. Step 5: Solve for x
    x = 4,920,953,765,000.72/2,291,641.43
  6. Step 6: Final answer
    x = 2,147,348.93

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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.