Home / 2,138,049.36-2,950,411.50-1,279,083.24

Finding the Fourth Proportional to 2,138,049.36, 2,950,411.50 and 1,279,083.24

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Solution

The fourth proportional to 2,138,049.36, 2,950,411.50 and 1,279,083.24 is: 1,765,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,049.36 : 2,950,411.50 = 1,279,083.24 : x
  2. Step 2: Convert to fraction form
    2,138,049.36/2,950,411.50 = 1,279,083.24/x
  3. Step 3: Cross multiply
    2,138,049.36x = 2,950,411.50 × 1,279,083.24
  4. Step 4: Simplify right side
    2,138,049.36x = 3,773,821,900,753.26
  5. Step 5: Solve for x
    x = 3,773,821,900,753.26/2,138,049.36
  6. Step 6: Final answer
    x = 1,765,077.07

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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.