Home / 2,058,016.80-3,087,025.20-638,216.40

Finding the Fourth Proportional to 2,058,016.80, 3,087,025.20 and 638,216.40

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Solution

The fourth proportional to 2,058,016.80, 3,087,025.20 and 638,216.40 is: 957,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,016.80 : 3,087,025.20 = 638,216.40 : x
  2. Step 2: Convert to fraction form
    2,058,016.80/3,087,025.20 = 638,216.40/x
  3. Step 3: Cross multiply
    2,058,016.80x = 3,087,025.20 × 638,216.40
  4. Step 4: Simplify right side
    2,058,016.80x = 1,970,190,109,853.28
  5. Step 5: Solve for x
    x = 1,970,190,109,853.28/2,058,016.80
  6. Step 6: Final answer
    x = 957,324.60

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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.