Home / 1,628,615.73-2,442,923.60-1,115,775.17

Finding the Fourth Proportional to 1,628,615.73, 2,442,923.60 and 1,115,775.17

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Solution

The fourth proportional to 1,628,615.73, 2,442,923.60 and 1,115,775.17 is: 1,673,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,615.73 : 2,442,923.60 = 1,115,775.17 : x
  2. Step 2: Convert to fraction form
    1,628,615.73/2,442,923.60 = 1,115,775.17/x
  3. Step 3: Cross multiply
    1,628,615.73x = 2,442,923.60 × 1,115,775.17
  4. Step 4: Simplify right side
    1,628,615.73x = 2,725,753,477,293.52
  5. Step 5: Solve for x
    x = 2,725,753,477,293.52/1,628,615.73
  6. Step 6: Final answer
    x = 1,673,662.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.