Home / 5,420,842.83-8,120,422.18-3,260,675.50

Finding the Fourth Proportional to 5,420,842.83, 8,120,422.18 and 3,260,675.50

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Solution

The fourth proportional to 5,420,842.83, 8,120,422.18 and 3,260,675.50 is: 4,884,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,842.83 : 8,120,422.18 = 3,260,675.50 : x
  2. Step 2: Convert to fraction form
    5,420,842.83/8,120,422.18 = 3,260,675.50/x
  3. Step 3: Cross multiply
    5,420,842.83x = 8,120,422.18 × 3,260,675.50
  4. Step 4: Simplify right side
    5,420,842.83x = 26,478,061,651,982.59
  5. Step 5: Solve for x
    x = 26,478,061,651,982.59/5,420,842.83
  6. Step 6: Final answer
    x = 4,884,491.67

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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.