Home / 2,779,909.19-3,836,245.38-1,556,224.78

Finding the Fourth Proportional to 2,779,909.19, 3,836,245.38 and 1,556,224.78

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Solution

The fourth proportional to 2,779,909.19, 3,836,245.38 and 1,556,224.78 is: 2,147,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,909.19 : 3,836,245.38 = 1,556,224.78 : x
  2. Step 2: Convert to fraction form
    2,779,909.19/3,836,245.38 = 1,556,224.78/x
  3. Step 3: Cross multiply
    2,779,909.19x = 3,836,245.38 × 1,556,224.78
  4. Step 4: Simplify right side
    2,779,909.19x = 5,970,060,115,843.82
  5. Step 5: Solve for x
    x = 5,970,060,115,843.82/2,779,909.19
  6. Step 6: Final answer
    x = 2,147,573.79

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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.