Home / 1,965,713.22-2,713,521.27-1,321,507.08

Finding the Fourth Proportional to 1,965,713.22, 2,713,521.27 and 1,321,507.08

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Solution

The fourth proportional to 1,965,713.22, 2,713,521.27 and 1,321,507.08 is: 1,824,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,713.22 : 2,713,521.27 = 1,321,507.08 : x
  2. Step 2: Convert to fraction form
    1,965,713.22/2,713,521.27 = 1,321,507.08/x
  3. Step 3: Cross multiply
    1,965,713.22x = 2,713,521.27 × 1,321,507.08
  4. Step 4: Simplify right side
    1,965,713.22x = 3,585,937,571,472.81
  5. Step 5: Solve for x
    x = 3,585,937,571,472.81/1,965,713.22
  6. Step 6: Final answer
    x = 1,824,242.49

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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.