Home / 3,215,089.50-4,821,189.21-2,312,749.50

Finding the Fourth Proportional to 3,215,089.50, 4,821,189.21 and 2,312,749.50

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Solution

The fourth proportional to 3,215,089.50, 4,821,189.21 and 2,312,749.50 is: 3,468,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,089.50 : 4,821,189.21 = 2,312,749.50 : x
  2. Step 2: Convert to fraction form
    3,215,089.50/4,821,189.21 = 2,312,749.50/x
  3. Step 3: Cross multiply
    3,215,089.50x = 4,821,189.21 × 2,312,749.50
  4. Step 4: Simplify right side
    3,215,089.50x = 11,150,202,934,832.89
  5. Step 5: Solve for x
    x = 11,150,202,934,832.89/3,215,089.50
  6. Step 6: Final answer
    x = 3,468,084.77

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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.