Home / 1,906,643.91-2,859,964.96-486,699.54

Finding the Fourth Proportional to 1,906,643.91, 2,859,964.96 and 486,699.54

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Solution

The fourth proportional to 1,906,643.91, 2,859,964.96 and 486,699.54 is: 730,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,643.91 : 2,859,964.96 = 486,699.54 : x
  2. Step 2: Convert to fraction form
    1,906,643.91/2,859,964.96 = 486,699.54/x
  3. Step 3: Cross multiply
    1,906,643.91x = 2,859,964.96 × 486,699.54
  4. Step 4: Simplify right side
    1,906,643.91x = 1,391,943,619,419.06
  5. Step 5: Solve for x
    x = 1,391,943,619,419.06/1,906,643.91
  6. Step 6: Final answer
    x = 730,049.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.