Home / 2,012,979.22-2,777,987.73-1,153,705.30

Finding the Fourth Proportional to 2,012,979.22, 2,777,987.73 and 1,153,705.30

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Solution

The fourth proportional to 2,012,979.22, 2,777,987.73 and 1,153,705.30 is: 1,592,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,979.22 : 2,777,987.73 = 1,153,705.30 : x
  2. Step 2: Convert to fraction form
    2,012,979.22/2,777,987.73 = 1,153,705.30/x
  3. Step 3: Cross multiply
    2,012,979.22x = 2,777,987.73 × 1,153,705.30
  4. Step 4: Simplify right side
    2,012,979.22x = 3,204,979,167,435.97
  5. Step 5: Solve for x
    x = 3,204,979,167,435.97/2,012,979.22
  6. Step 6: Final answer
    x = 1,592,157.11

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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.