Home / 5,631,998.80-8,447,998.20-2,087,525.20

Finding the Fourth Proportional to 5,631,998.80, 8,447,998.20 and 2,087,525.20

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Solution

The fourth proportional to 5,631,998.80, 8,447,998.20 and 2,087,525.20 is: 3,131,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631,998.80 : 8,447,998.20 = 2,087,525.20 : x
  2. Step 2: Convert to fraction form
    5,631,998.80/8,447,998.20 = 2,087,525.20/x
  3. Step 3: Cross multiply
    5,631,998.80x = 8,447,998.20 × 2,087,525.20
  4. Step 4: Simplify right side
    5,631,998.80x = 17,635,409,132,054.64
  5. Step 5: Solve for x
    x = 17,635,409,132,054.64/5,631,998.80
  6. Step 6: Final answer
    x = 3,131,287.80

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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.