Home / 3,280,659.30-4,920,988.95-2,005,200.90

Finding the Fourth Proportional to 3,280,659.30, 4,920,988.95 and 2,005,200.90

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Solution

The fourth proportional to 3,280,659.30, 4,920,988.95 and 2,005,200.90 is: 3,007,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,659.30 : 4,920,988.95 = 2,005,200.90 : x
  2. Step 2: Convert to fraction form
    3,280,659.30/4,920,988.95 = 2,005,200.90/x
  3. Step 3: Cross multiply
    3,280,659.30x = 4,920,988.95 × 2,005,200.90
  4. Step 4: Simplify right side
    3,280,659.30x = 9,867,571,471,430.06
  5. Step 5: Solve for x
    x = 9,867,571,471,430.06/3,280,659.30
  6. Step 6: Final answer
    x = 3,007,801.35

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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.