Home / 1,999,383.38-2,759,142.98-1,081,612.24

Finding the Fourth Proportional to 1,999,383.38, 2,759,142.98 and 1,081,612.24

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Solution

The fourth proportional to 1,999,383.38, 2,759,142.98 and 1,081,612.24 is: 1,492,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,383.38 : 2,759,142.98 = 1,081,612.24 : x
  2. Step 2: Convert to fraction form
    1,999,383.38/2,759,142.98 = 1,081,612.24/x
  3. Step 3: Cross multiply
    1,999,383.38x = 2,759,142.98 × 1,081,612.24
  4. Step 4: Simplify right side
    1,999,383.38x = 2,984,322,819,078.08
  5. Step 5: Solve for x
    x = 2,984,322,819,078.08/1,999,383.38
  6. Step 6: Final answer
    x = 1,492,621.60

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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.