Home / 1,968,383.40-2,716,356.72-1,109,219.64

Finding the Fourth Proportional to 1,968,383.40, 2,716,356.72 and 1,109,219.64

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Solution

The fourth proportional to 1,968,383.40, 2,716,356.72 and 1,109,219.64 is: 1,530,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,383.40 : 2,716,356.72 = 1,109,219.64 : x
  2. Step 2: Convert to fraction form
    1,968,383.40/2,716,356.72 = 1,109,219.64/x
  3. Step 3: Cross multiply
    1,968,383.40x = 2,716,356.72 × 1,109,219.64
  4. Step 4: Simplify right side
    1,968,383.40x = 3,013,036,223,069.98
  5. Step 5: Solve for x
    x = 3,013,036,223,069.98/1,968,383.40
  6. Step 6: Final answer
    x = 1,530,716.13

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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.