Home / 3,993,999.60-5,990,999.40-2,221,071.60

Finding the Fourth Proportional to 3,993,999.60, 5,990,999.40 and 2,221,071.60

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Solution

The fourth proportional to 3,993,999.60, 5,990,999.40 and 2,221,071.60 is: 3,331,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,999.60 : 5,990,999.40 = 2,221,071.60 : x
  2. Step 2: Convert to fraction form
    3,993,999.60/5,990,999.40 = 2,221,071.60/x
  3. Step 3: Cross multiply
    3,993,999.60x = 5,990,999.40 × 2,221,071.60
  4. Step 4: Simplify right side
    3,993,999.60x = 13,306,438,622,957.04
  5. Step 5: Solve for x
    x = 13,306,438,622,957.04/3,993,999.60
  6. Step 6: Final answer
    x = 3,331,607.40

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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.