Home / 2,058,091.60-3,087,137.40-638,291.20

Finding the Fourth Proportional to 2,058,091.60, 3,087,137.40 and 638,291.20

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Solution

The fourth proportional to 2,058,091.60, 3,087,137.40 and 638,291.20 is: 957,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,091.60 : 3,087,137.40 = 638,291.20 : x
  2. Step 2: Convert to fraction form
    2,058,091.60/3,087,137.40 = 638,291.20/x
  3. Step 3: Cross multiply
    2,058,091.60x = 3,087,137.40 × 638,291.20
  4. Step 4: Simplify right side
    2,058,091.60x = 1,970,492,635,610.88
  5. Step 5: Solve for x
    x = 1,970,492,635,610.88/2,058,091.60
  6. Step 6: Final answer
    x = 957,436.80

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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.