Home / 1,965,744.90-2,713,564.93-1,321,538.75

Finding the Fourth Proportional to 1,965,744.90, 2,713,564.93 and 1,321,538.75

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Solution

The fourth proportional to 1,965,744.90, 2,713,564.93 and 1,321,538.75 is: 1,824,286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,744.90 : 2,713,564.93 = 1,321,538.75 : x
  2. Step 2: Convert to fraction form
    1,965,744.90/2,713,564.93 = 1,321,538.75/x
  3. Step 3: Cross multiply
    1,965,744.90x = 2,713,564.93 × 1,321,538.75
  4. Step 4: Simplify right side
    1,965,744.90x = 3,586,081,209,116.10
  5. Step 5: Solve for x
    x = 3,586,081,209,116.10/1,965,744.90
  6. Step 6: Final answer
    x = 1,824,286.16

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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.