Home / 1,916,707.30-2,645,906.25-1,237,974.82

Finding the Fourth Proportional to 1,916,707.30, 2,645,906.25 and 1,237,974.82

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Solution

The fourth proportional to 1,916,707.30, 2,645,906.25 and 1,237,974.82 is: 1,708,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,707.30 : 2,645,906.25 = 1,237,974.82 : x
  2. Step 2: Convert to fraction form
    1,916,707.30/2,645,906.25 = 1,237,974.82/x
  3. Step 3: Cross multiply
    1,916,707.30x = 2,645,906.25 × 1,237,974.82
  4. Step 4: Simplify right side
    1,916,707.30x = 3,275,565,313,580.63
  5. Step 5: Solve for x
    x = 3,275,565,313,580.63/1,916,707.30
  6. Step 6: Final answer
    x = 1,708,954.37

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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.