Home / 3,281,489.10-4,922,233.65-2,147,748.30

Finding the Fourth Proportional to 3,281,489.10, 4,922,233.65 and 2,147,748.30

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Solution

The fourth proportional to 3,281,489.10, 4,922,233.65 and 2,147,748.30 is: 3,221,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,489.10 : 4,922,233.65 = 2,147,748.30 : x
  2. Step 2: Convert to fraction form
    3,281,489.10/4,922,233.65 = 2,147,748.30/x
  3. Step 3: Cross multiply
    3,281,489.10x = 4,922,233.65 × 2,147,748.30
  4. Step 4: Simplify right side
    3,281,489.10x = 10,571,718,953,990.29
  5. Step 5: Solve for x
    x = 10,571,718,953,990.29/3,281,489.10
  6. Step 6: Final answer
    x = 3,221,622.45

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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.