Home / 3,476,486.40-5,211,619.20-2,278,982.40

Finding the Fourth Proportional to 3,476,486.40, 5,211,619.20 and 2,278,982.40

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Solution

The fourth proportional to 3,476,486.40, 5,211,619.20 and 2,278,982.40 is: 3,416,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476,486.40 : 5,211,619.20 = 2,278,982.40 : x
  2. Step 2: Convert to fraction form
    3,476,486.40/5,211,619.20 = 2,278,982.40/x
  3. Step 3: Cross multiply
    3,476,486.40x = 5,211,619.20 × 2,278,982.40
  4. Step 4: Simplify right side
    3,476,486.40x = 11,877,188,432,302.08
  5. Step 5: Solve for x
    x = 11,877,188,432,302.08/3,476,486.40
  6. Step 6: Final answer
    x = 3,416,434.60

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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.