Home / 2,215,891.47-3,058,165.26-1,298,891.01

Finding the Fourth Proportional to 2,215,891.47, 3,058,165.26 and 1,298,891.01

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Solution

The fourth proportional to 2,215,891.47, 3,058,165.26 and 1,298,891.01 is: 1,792,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,891.47 : 3,058,165.26 = 1,298,891.01 : x
  2. Step 2: Convert to fraction form
    2,215,891.47/3,058,165.26 = 1,298,891.01/x
  3. Step 3: Cross multiply
    2,215,891.47x = 3,058,165.26 × 1,298,891.01
  4. Step 4: Simplify right side
    2,215,891.47x = 3,972,223,363,308.31
  5. Step 5: Solve for x
    x = 3,972,223,363,308.31/2,215,891.47
  6. Step 6: Final answer
    x = 1,792,607.36

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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.