Home / 2,830,911.40-4,238,072.70-2,499,135.40

Finding the Fourth Proportional to 2,830,911.40, 4,238,072.70 and 2,499,135.40

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Solution

The fourth proportional to 2,830,911.40, 4,238,072.70 and 2,499,135.40 is: 3,741,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,911.40 : 4,238,072.70 = 2,499,135.40 : x
  2. Step 2: Convert to fraction form
    2,830,911.40/4,238,072.70 = 2,499,135.40/x
  3. Step 3: Cross multiply
    2,830,911.40x = 4,238,072.70 × 2,499,135.40
  4. Step 4: Simplify right side
    2,830,911.40x = 10,591,517,512,343.58
  5. Step 5: Solve for x
    x = 10,591,517,512,343.58/2,830,911.40
  6. Step 6: Final answer
    x = 3,741,380.78

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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.