Home / 3,511,378.80-5,263,914.60-1,382,914.80

Finding the Fourth Proportional to 3,511,378.80, 5,263,914.60 and 1,382,914.80

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Solution

The fourth proportional to 3,511,378.80, 5,263,914.60 and 1,382,914.80 is: 2,073,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,378.80 : 5,263,914.60 = 1,382,914.80 : x
  2. Step 2: Convert to fraction form
    3,511,378.80/5,263,914.60 = 1,382,914.80/x
  3. Step 3: Cross multiply
    3,511,378.80x = 5,263,914.60 × 1,382,914.80
  4. Step 4: Simplify right side
    3,511,378.80x = 7,279,545,406,276.08
  5. Step 5: Solve for x
    x = 7,279,545,406,276.08/3,511,378.80
  6. Step 6: Final answer
    x = 2,073,130.19

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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.