Home / 2,661,491.40-3,672,893.52-1,515,576.30

Finding the Fourth Proportional to 2,661,491.40, 3,672,893.52 and 1,515,576.30

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Solution

The fourth proportional to 2,661,491.40, 3,672,893.52 and 1,515,576.30 is: 2,091,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,491.40 : 3,672,893.52 = 1,515,576.30 : x
  2. Step 2: Convert to fraction form
    2,661,491.40/3,672,893.52 = 1,515,576.30/x
  3. Step 3: Cross multiply
    2,661,491.40x = 3,672,893.52 × 1,515,576.30
  4. Step 4: Simplify right side
    2,661,491.40x = 5,566,550,371,335.58
  5. Step 5: Solve for x
    x = 5,566,550,371,335.58/2,661,491.40
  6. Step 6: Final answer
    x = 2,091,515.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.