Home / 1,990,534.72-2,724,961.04-1,976,304.64

Finding the Fourth Proportional to 1,990,534.72, 2,724,961.04 and 1,976,304.64

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Solution

The fourth proportional to 1,990,534.72, 2,724,961.04 and 1,976,304.64 is: 2,705,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,534.72 : 2,724,961.04 = 1,976,304.64 : x
  2. Step 2: Convert to fraction form
    1,990,534.72/2,724,961.04 = 1,976,304.64/x
  3. Step 3: Cross multiply
    1,990,534.72x = 2,724,961.04 × 1,976,304.64
  4. Step 4: Simplify right side
    1,990,534.72x = 5,385,353,147,171.23
  5. Step 5: Solve for x
    x = 5,385,353,147,171.23/1,990,534.72
  6. Step 6: Final answer
    x = 2,705,480.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.