Home / 2,164,987.10-2,987,608.47-1,198,158.14

Finding the Fourth Proportional to 2,164,987.10, 2,987,608.47 and 1,198,158.14

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Solution

The fourth proportional to 2,164,987.10, 2,987,608.47 and 1,198,158.14 is: 1,653,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,987.10 : 2,987,608.47 = 1,198,158.14 : x
  2. Step 2: Convert to fraction form
    2,164,987.10/2,987,608.47 = 1,198,158.14/x
  3. Step 3: Cross multiply
    2,164,987.10x = 2,987,608.47 × 1,198,158.14
  4. Step 4: Simplify right side
    2,164,987.10x = 3,579,627,407,463.45
  5. Step 5: Solve for x
    x = 3,579,627,407,463.45/2,164,987.10
  6. Step 6: Final answer
    x = 1,653,417.43

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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.