Home / 5,278,911.90-7,920,441.45-2,083,494.30

Finding the Fourth Proportional to 5,278,911.90, 7,920,441.45 and 2,083,494.30

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Solution

The fourth proportional to 5,278,911.90, 7,920,441.45 and 2,083,494.30 is: 3,126,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,911.90 : 7,920,441.45 = 2,083,494.30 : x
  2. Step 2: Convert to fraction form
    5,278,911.90/7,920,441.45 = 2,083,494.30/x
  3. Step 3: Cross multiply
    5,278,911.90x = 7,920,441.45 × 2,083,494.30
  4. Step 4: Simplify right side
    5,278,911.90x = 16,502,194,614,558.74
  5. Step 5: Solve for x
    x = 16,502,194,614,558.74/5,278,911.90
  6. Step 6: Final answer
    x = 3,126,059.86

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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.