Home / 3,198,863.40-4,788,963.90-3,105,551.40

Finding the Fourth Proportional to 3,198,863.40, 4,788,963.90 and 3,105,551.40

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Solution

The fourth proportional to 3,198,863.40, 4,788,963.90 and 3,105,551.40 is: 4,649,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,863.40 : 4,788,963.90 = 3,105,551.40 : x
  2. Step 2: Convert to fraction form
    3,198,863.40/4,788,963.90 = 3,105,551.40/x
  3. Step 3: Cross multiply
    3,198,863.40x = 4,788,963.90 × 3,105,551.40
  4. Step 4: Simplify right side
    3,198,863.40x = 14,872,373,544,194.46
  5. Step 5: Solve for x
    x = 14,872,373,544,194.46/3,198,863.40
  6. Step 6: Final answer
    x = 4,649,268.09

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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.