Home / 5,321,445.90-7,983,205.65-2,126,028.30

Finding the Fourth Proportional to 5,321,445.90, 7,983,205.65 and 2,126,028.30

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Solution

The fourth proportional to 5,321,445.90, 7,983,205.65 and 2,126,028.30 is: 3,189,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,445.90 : 7,983,205.65 = 2,126,028.30 : x
  2. Step 2: Convert to fraction form
    5,321,445.90/7,983,205.65 = 2,126,028.30/x
  3. Step 3: Cross multiply
    5,321,445.90x = 7,983,205.65 × 2,126,028.30
  4. Step 4: Simplify right side
    5,321,445.90x = 16,972,521,136,619.89
  5. Step 5: Solve for x
    x = 16,972,521,136,619.89/5,321,445.90
  6. Step 6: Final answer
    x = 3,189,456.67

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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.