Home / 3,800,256.40-5,704,531.80-2,120,640.40

Finding the Fourth Proportional to 3,800,256.40, 5,704,531.80 and 2,120,640.40

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Solution

The fourth proportional to 3,800,256.40, 5,704,531.80 and 2,120,640.40 is: 3,183,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,256.40 : 5,704,531.80 = 2,120,640.40 : x
  2. Step 2: Convert to fraction form
    3,800,256.40/5,704,531.80 = 2,120,640.40/x
  3. Step 3: Cross multiply
    3,800,256.40x = 5,704,531.80 × 2,120,640.40
  4. Step 4: Simplify right side
    3,800,256.40x = 12,097,260,598,164.72
  5. Step 5: Solve for x
    x = 12,097,260,598,164.72/3,800,256.40
  6. Step 6: Final answer
    x = 3,183,274.84

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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.