Home / 5,328,192.96-7,990,305.35-1,915,548.35

Finding the Fourth Proportional to 5,328,192.96, 7,990,305.35 and 1,915,548.35

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Solution

The fourth proportional to 5,328,192.96, 7,990,305.35 and 1,915,548.35 is: 2,872,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,192.96 : 7,990,305.35 = 1,915,548.35 : x
  2. Step 2: Convert to fraction form
    5,328,192.96/7,990,305.35 = 1,915,548.35/x
  3. Step 3: Cross multiply
    5,328,192.96x = 7,990,305.35 × 1,915,548.35
  4. Step 4: Simplify right side
    5,328,192.96x = 15,305,816,179,659.40
  5. Step 5: Solve for x
    x = 15,305,816,179,659.40/5,328,192.96
  6. Step 6: Final answer
    x = 2,872,609.21

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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.