Home / 2,058,222.80-3,087,334.20-638,422.40

Finding the Fourth Proportional to 2,058,222.80, 3,087,334.20 and 638,422.40

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Solution

The fourth proportional to 2,058,222.80, 3,087,334.20 and 638,422.40 is: 957,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,222.80 : 3,087,334.20 = 638,422.40 : x
  2. Step 2: Convert to fraction form
    2,058,222.80/3,087,334.20 = 638,422.40/x
  3. Step 3: Cross multiply
    2,058,222.80x = 3,087,334.20 × 638,422.40
  4. Step 4: Simplify right side
    2,058,222.80x = 1,971,023,309,566.08
  5. Step 5: Solve for x
    x = 1,971,023,309,566.08/2,058,222.80
  6. Step 6: Final answer
    x = 957,633.60

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Similar ratio
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1.5x scale

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.