Home / 3,260,520.20-4,890,780.30-1,999,058.60

Finding the Fourth Proportional to 3,260,520.20, 4,890,780.30 and 1,999,058.60

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Solution

The fourth proportional to 3,260,520.20, 4,890,780.30 and 1,999,058.60 is: 2,998,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,520.20 : 4,890,780.30 = 1,999,058.60 : x
  2. Step 2: Convert to fraction form
    3,260,520.20/4,890,780.30 = 1,999,058.60/x
  3. Step 3: Cross multiply
    3,260,520.20x = 4,890,780.30 × 1,999,058.60
  4. Step 4: Simplify right side
    3,260,520.20x = 9,776,956,419,425.58
  5. Step 5: Solve for x
    x = 9,776,956,419,425.58/3,260,520.20
  6. Step 6: Final answer
    x = 2,998,587.90

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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.