Home / 3,212,385.48-4,812,153.18-1,932,286.20

Finding the Fourth Proportional to 3,212,385.48, 4,812,153.18 and 1,932,286.20

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Solution

The fourth proportional to 3,212,385.48, 4,812,153.18 and 1,932,286.20 is: 2,894,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,385.48 : 4,812,153.18 = 1,932,286.20 : x
  2. Step 2: Convert to fraction form
    3,212,385.48/4,812,153.18 = 1,932,286.20/x
  3. Step 3: Cross multiply
    3,212,385.48x = 4,812,153.18 × 1,932,286.20
  4. Step 4: Simplify right side
    3,212,385.48x = 9,298,457,182,000.12
  5. Step 5: Solve for x
    x = 9,298,457,182,000.12/3,212,385.48
  6. Step 6: Final answer
    x = 2,894,564.57

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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.