Home / 3,188,820.03-4,780,397.88-1,243,100.40

Finding the Fourth Proportional to 3,188,820.03, 4,780,397.88 and 1,243,100.40

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Solution

The fourth proportional to 3,188,820.03, 4,780,397.88 and 1,243,100.40 is: 1,863,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,820.03 : 4,780,397.88 = 1,243,100.40 : x
  2. Step 2: Convert to fraction form
    3,188,820.03/4,780,397.88 = 1,243,100.40/x
  3. Step 3: Cross multiply
    3,188,820.03x = 4,780,397.88 × 1,243,100.40
  4. Step 4: Simplify right side
    3,188,820.03x = 5,942,514,516,787.15
  5. Step 5: Solve for x
    x = 5,942,514,516,787.15/3,188,820.03
  6. Step 6: Final answer
    x = 1,863,546.53

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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.