Home / 2,990,010.80-4,489,163.40-1,870,266.80

Finding the Fourth Proportional to 2,990,010.80, 4,489,163.40 and 1,870,266.80

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Solution

The fourth proportional to 2,990,010.80, 4,489,163.40 and 1,870,266.80 is: 2,807,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,010.80 : 4,489,163.40 = 1,870,266.80 : x
  2. Step 2: Convert to fraction form
    2,990,010.80/4,489,163.40 = 1,870,266.80/x
  3. Step 3: Cross multiply
    2,990,010.80x = 4,489,163.40 × 1,870,266.80
  4. Step 4: Simplify right side
    2,990,010.80x = 8,395,933,266,795.12
  5. Step 5: Solve for x
    x = 8,395,933,266,795.12/2,990,010.80
  6. Step 6: Final answer
    x = 2,807,994.29

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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.