Home / 2,165,238.03-2,988,034.88-1,198,435.47

Finding the Fourth Proportional to 2,165,238.03, 2,988,034.88 and 1,198,435.47

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Solution

The fourth proportional to 2,165,238.03, 2,988,034.88 and 1,198,435.47 is: 1,653,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,238.03 : 2,988,034.88 = 1,198,435.47 : x
  2. Step 2: Convert to fraction form
    2,165,238.03/2,988,034.88 = 1,198,435.47/x
  3. Step 3: Cross multiply
    2,165,238.03x = 2,988,034.88 × 1,198,435.47
  4. Step 4: Simplify right side
    2,165,238.03x = 3,580,966,979,797.02
  5. Step 5: Solve for x
    x = 3,580,966,979,797.02/2,165,238.03
  6. Step 6: Final answer
    x = 1,653,844.49

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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.