Home / 2,168,971.80-2,993,181.30-1,202,164.44

Finding the Fourth Proportional to 2,168,971.80, 2,993,181.30 and 1,202,164.44

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Solution

The fourth proportional to 2,168,971.80, 2,993,181.30 and 1,202,164.44 is: 1,658,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,971.80 : 2,993,181.30 = 1,202,164.44 : x
  2. Step 2: Convert to fraction form
    2,168,971.80/2,993,181.30 = 1,202,164.44/x
  3. Step 3: Cross multiply
    2,168,971.80x = 2,993,181.30 × 1,202,164.44
  4. Step 4: Simplify right side
    2,168,971.80x = 3,598,296,121,332.97
  5. Step 5: Solve for x
    x = 3,598,296,121,332.97/2,168,971.80
  6. Step 6: Final answer
    x = 1,658,987.05

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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.