Home / 2,215,890.97-3,058,164.57-1,298,890.51

Finding the Fourth Proportional to 2,215,890.97, 3,058,164.57 and 1,298,890.51

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Solution

The fourth proportional to 2,215,890.97, 3,058,164.57 and 1,298,890.51 is: 1,792,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,890.97 : 3,058,164.57 = 1,298,890.51 : x
  2. Step 2: Convert to fraction form
    2,215,890.97/3,058,164.57 = 1,298,890.51/x
  3. Step 3: Cross multiply
    2,215,890.97x = 3,058,164.57 × 1,298,890.51
  4. Step 4: Simplify right side
    2,215,890.97x = 3,972,220,937,991.23
  5. Step 5: Solve for x
    x = 3,972,220,937,991.23/2,215,890.97
  6. Step 6: Final answer
    x = 1,792,606.67

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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.