Home / 2,779,405.20-3,835,539.56-1,538,896.95

Finding the Fourth Proportional to 2,779,405.20, 3,835,539.56 and 1,538,896.95

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Solution

The fourth proportional to 2,779,405.20, 3,835,539.56 and 1,538,896.95 is: 2,123,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,405.20 : 3,835,539.56 = 1,538,896.95 : x
  2. Step 2: Convert to fraction form
    2,779,405.20/3,835,539.56 = 1,538,896.95/x
  3. Step 3: Cross multiply
    2,779,405.20x = 3,835,539.56 × 1,538,896.95
  4. Step 4: Simplify right side
    2,779,405.20x = 5,902,500,134,335.58
  5. Step 5: Solve for x
    x = 5,902,500,134,335.58/2,779,405.20
  6. Step 6: Final answer
    x = 2,123,655.86

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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.