Home / 1,491,013.80-2,231,271.90-1,365,042.60

Finding the Fourth Proportional to 1,491,013.80, 2,231,271.90 and 1,365,042.60

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Solution

The fourth proportional to 1,491,013.80, 2,231,271.90 and 1,365,042.60 is: 2,042,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,013.80 : 2,231,271.90 = 1,365,042.60 : x
  2. Step 2: Convert to fraction form
    1,491,013.80/2,231,271.90 = 1,365,042.60/x
  3. Step 3: Cross multiply
    1,491,013.80x = 2,231,271.90 × 1,365,042.60
  4. Step 4: Simplify right side
    1,491,013.80x = 3,045,781,195,682.94
  5. Step 5: Solve for x
    x = 3,045,781,195,682.94/1,491,013.80
  6. Step 6: Final answer
    x = 2,042,758.56

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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.