Home / 3,260,438.30-4,890,657.45-2,420,630.30

Finding the Fourth Proportional to 3,260,438.30, 4,890,657.45 and 2,420,630.30

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Solution

The fourth proportional to 3,260,438.30, 4,890,657.45 and 2,420,630.30 is: 3,630,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,438.30 : 4,890,657.45 = 2,420,630.30 : x
  2. Step 2: Convert to fraction form
    3,260,438.30/4,890,657.45 = 2,420,630.30/x
  3. Step 3: Cross multiply
    3,260,438.30x = 4,890,657.45 × 2,420,630.30
  4. Step 4: Simplify right side
    3,260,438.30x = 11,838,473,610,390.73
  5. Step 5: Solve for x
    x = 11,838,473,610,390.73/3,260,438.30
  6. Step 6: Final answer
    x = 3,630,945.45

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Double scale
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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.