Home / 1,998,635.82-2,758,276.32-1,273,808.94

Finding the Fourth Proportional to 1,998,635.82, 2,758,276.32 and 1,273,808.94

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Solution

The fourth proportional to 1,998,635.82, 2,758,276.32 and 1,273,808.94 is: 1,757,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,635.82 : 2,758,276.32 = 1,273,808.94 : x
  2. Step 2: Convert to fraction form
    1,998,635.82/2,758,276.32 = 1,273,808.94/x
  3. Step 3: Cross multiply
    1,998,635.82x = 2,758,276.32 × 1,273,808.94
  4. Step 4: Simplify right side
    1,998,635.82x = 3,513,517,035,406.30
  5. Step 5: Solve for x
    x = 3,513,517,035,406.30/1,998,635.82
  6. Step 6: Final answer
    x = 1,757,957.60

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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.