Home / 2,164,986.10-2,987,607.09-1,198,157.14

Finding the Fourth Proportional to 2,164,986.10, 2,987,607.09 and 1,198,157.14

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Solution

The fourth proportional to 2,164,986.10, 2,987,607.09 and 1,198,157.14 is: 1,653,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,986.10 : 2,987,607.09 = 1,198,157.14 : x
  2. Step 2: Convert to fraction form
    2,164,986.10/2,987,607.09 = 1,198,157.14/x
  3. Step 3: Cross multiply
    2,164,986.10x = 2,987,607.09 × 1,198,157.14
  4. Step 4: Simplify right side
    2,164,986.10x = 3,579,622,766,398.12
  5. Step 5: Solve for x
    x = 3,579,622,766,398.12/2,164,986.10
  6. Step 6: Final answer
    x = 1,653,416.05

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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.