Home / 2,164,917.48-2,987,512.56-1,198,088.52

Finding the Fourth Proportional to 2,164,917.48, 2,987,512.56 and 1,198,088.52

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Solution

The fourth proportional to 2,164,917.48, 2,987,512.56 and 1,198,088.52 is: 1,653,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,917.48 : 2,987,512.56 = 1,198,088.52 : x
  2. Step 2: Convert to fraction form
    2,164,917.48/2,987,512.56 = 1,198,088.52/x
  3. Step 3: Cross multiply
    2,164,917.48x = 2,987,512.56 × 1,198,088.52
  4. Step 4: Simplify right side
    2,164,917.48x = 3,579,304,501,491.81
  5. Step 5: Solve for x
    x = 3,579,304,501,491.81/2,164,917.48
  6. Step 6: Final answer
    x = 1,653,321.45

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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.