Home / 4,001,979.16-5,522,724.89-2,166,436.96

Finding the Fourth Proportional to 4,001,979.16, 5,522,724.89 and 2,166,436.96

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Solution

The fourth proportional to 4,001,979.16, 5,522,724.89 and 2,166,436.96 is: 2,989,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001,979.16 : 5,522,724.89 = 2,166,436.96 : x
  2. Step 2: Convert to fraction form
    4,001,979.16/5,522,724.89 = 2,166,436.96/x
  3. Step 3: Cross multiply
    4,001,979.16x = 5,522,724.89 × 2,166,436.96
  4. Step 4: Simplify right side
    4,001,979.16x = 11,964,635,321,607.93
  5. Step 5: Solve for x
    x = 11,964,635,321,607.93/4,001,979.16
  6. Step 6: Final answer
    x = 2,989,679.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.