Home / 2,279,861.02-3,146,066.49-1,261,265.77

Finding the Fourth Proportional to 2,279,861.02, 3,146,066.49 and 1,261,265.77

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Solution

The fourth proportional to 2,279,861.02, 3,146,066.49 and 1,261,265.77 is: 1,740,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,861.02 : 3,146,066.49 = 1,261,265.77 : x
  2. Step 2: Convert to fraction form
    2,279,861.02/3,146,066.49 = 1,261,265.77/x
  3. Step 3: Cross multiply
    2,279,861.02x = 3,146,066.49 × 1,261,265.77
  4. Step 4: Simplify right side
    2,279,861.02x = 3,968,025,973,981.05
  5. Step 5: Solve for x
    x = 3,968,025,973,981.05/2,279,861.02
  6. Step 6: Final answer
    x = 1,740,468.36

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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.