Home / 3,779,113.70-5,668,644.62-939,221.30

Finding the Fourth Proportional to 3,779,113.70, 5,668,644.62 and 939,221.30

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Solution

The fourth proportional to 3,779,113.70, 5,668,644.62 and 939,221.30 is: 1,408,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,113.70 : 5,668,644.62 = 939,221.30 : x
  2. Step 2: Convert to fraction form
    3,779,113.70/5,668,644.62 = 939,221.30/x
  3. Step 3: Cross multiply
    3,779,113.70x = 5,668,644.62 × 939,221.30
  4. Step 4: Simplify right side
    3,779,113.70x = 5,324,111,769,234.41
  5. Step 5: Solve for x
    x = 5,324,111,769,234.41/3,779,113.70
  6. Step 6: Final answer
    x = 1,408,825.51

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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.