Home / 2,251,649.46-3,107,252.94-1,219,139.48

Finding the Fourth Proportional to 2,251,649.46, 3,107,252.94 and 1,219,139.48

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Solution

The fourth proportional to 2,251,649.46, 3,107,252.94 and 1,219,139.48 is: 1,682,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,649.46 : 3,107,252.94 = 1,219,139.48 : x
  2. Step 2: Convert to fraction form
    2,251,649.46/3,107,252.94 = 1,219,139.48/x
  3. Step 3: Cross multiply
    2,251,649.46x = 3,107,252.94 × 1,219,139.48
  4. Step 4: Simplify right side
    2,251,649.46x = 3,788,174,733,500.07
  5. Step 5: Solve for x
    x = 3,788,174,733,500.07/2,251,649.46
  6. Step 6: Final answer
    x = 1,682,399.86

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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.