Home / 3,225,805.20-4,838,707.80-2,628,608.40

Finding the Fourth Proportional to 3,225,805.20, 4,838,707.80 and 2,628,608.40

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Solution

The fourth proportional to 3,225,805.20, 4,838,707.80 and 2,628,608.40 is: 3,942,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225,805.20 : 4,838,707.80 = 2,628,608.40 : x
  2. Step 2: Convert to fraction form
    3,225,805.20/4,838,707.80 = 2,628,608.40/x
  3. Step 3: Cross multiply
    3,225,805.20x = 4,838,707.80 × 2,628,608.40
  4. Step 4: Simplify right side
    3,225,805.20x = 12,719,067,968,225.52
  5. Step 5: Solve for x
    x = 12,719,067,968,225.52/3,225,805.20
  6. Step 6: Final answer
    x = 3,942,912.60

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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.