Home / 5,321,518.90-7,983,315.15-2,126,101.30

Finding the Fourth Proportional to 5,321,518.90, 7,983,315.15 and 2,126,101.30

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Solution

The fourth proportional to 5,321,518.90, 7,983,315.15 and 2,126,101.30 is: 3,189,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,518.90 : 7,983,315.15 = 2,126,101.30 : x
  2. Step 2: Convert to fraction form
    5,321,518.90/7,983,315.15 = 2,126,101.30/x
  3. Step 3: Cross multiply
    5,321,518.90x = 7,983,315.15 × 2,126,101.30
  4. Step 4: Simplify right side
    5,321,518.90x = 16,973,336,718,724.69
  5. Step 5: Solve for x
    x = 16,973,336,718,724.69/5,321,518.90
  6. Step 6: Final answer
    x = 3,189,566.18

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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.