Home / 2,165,006.76-2,987,635.46-1,198,177.64

Finding the Fourth Proportional to 2,165,006.76, 2,987,635.46 and 1,198,177.64

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Solution

The fourth proportional to 2,165,006.76, 2,987,635.46 and 1,198,177.64 is: 1,653,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,006.76 : 2,987,635.46 = 1,198,177.64 : x
  2. Step 2: Convert to fraction form
    2,165,006.76/2,987,635.46 = 1,198,177.64/x
  3. Step 3: Cross multiply
    2,165,006.76x = 2,987,635.46 × 1,198,177.64
  4. Step 4: Simplify right side
    2,165,006.76x = 3,579,718,004,643.11
  5. Step 5: Solve for x
    x = 3,579,718,004,643.11/2,165,006.76
  6. Step 6: Final answer
    x = 1,653,444.26

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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.