Home / 2,099,116.74-3,147,214.18-930,001.21

Finding the Fourth Proportional to 2,099,116.74, 3,147,214.18 and 930,001.21

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Solution

The fourth proportional to 2,099,116.74, 3,147,214.18 and 930,001.21 is: 1,394,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,116.74 : 3,147,214.18 = 930,001.21 : x
  2. Step 2: Convert to fraction form
    2,099,116.74/3,147,214.18 = 930,001.21/x
  3. Step 3: Cross multiply
    2,099,116.74x = 3,147,214.18 × 930,001.21
  4. Step 4: Simplify right side
    2,099,116.74x = 2,926,913,004,782.95
  5. Step 5: Solve for x
    x = 2,926,913,004,782.95/2,099,116.74
  6. Step 6: Final answer
    x = 1,394,354.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.