Home / 2,171,992.59-3,258,180.32-805,782.11

Finding the Fourth Proportional to 2,171,992.59, 3,258,180.32 and 805,782.11

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Solution

The fourth proportional to 2,171,992.59, 3,258,180.32 and 805,782.11 is: 1,208,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,992.59 : 3,258,180.32 = 805,782.11 : x
  2. Step 2: Convert to fraction form
    2,171,992.59/3,258,180.32 = 805,782.11/x
  3. Step 3: Cross multiply
    2,171,992.59x = 3,258,180.32 × 805,782.11
  4. Step 4: Simplify right side
    2,171,992.59x = 2,625,383,392,690.26
  5. Step 5: Solve for x
    x = 2,625,383,392,690.26/2,171,992.59
  6. Step 6: Final answer
    x = 1,208,744.18

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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.