Home / 2,215,836.74-3,057,998.46-1,235,885.78

Finding the Fourth Proportional to 2,215,836.74, 3,057,998.46 and 1,235,885.78

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Solution

The fourth proportional to 2,215,836.74, 3,057,998.46 and 1,235,885.78 is: 1,705,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,836.74 : 3,057,998.46 = 1,235,885.78 : x
  2. Step 2: Convert to fraction form
    2,215,836.74/3,057,998.46 = 1,235,885.78/x
  3. Step 3: Cross multiply
    2,215,836.74x = 3,057,998.46 × 1,235,885.78
  4. Step 4: Simplify right side
    2,215,836.74x = 3,779,336,811,975.90
  5. Step 5: Solve for x
    x = 3,779,336,811,975.90/2,215,836.74
  6. Step 6: Final answer
    x = 1,705,602.56

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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.