Home / 3,436,290.82-4,741,804.74-1,986,080.19

Finding the Fourth Proportional to 3,436,290.82, 4,741,804.74 and 1,986,080.19

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Solution

The fourth proportional to 3,436,290.82, 4,741,804.74 and 1,986,080.19 is: 2,740,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,290.82 : 4,741,804.74 = 1,986,080.19 : x
  2. Step 2: Convert to fraction form
    3,436,290.82/4,741,804.74 = 1,986,080.19/x
  3. Step 3: Cross multiply
    3,436,290.82x = 4,741,804.74 × 1,986,080.19
  4. Step 4: Simplify right side
    3,436,290.82x = 9,417,604,458,962.10
  5. Step 5: Solve for x
    x = 9,417,604,458,962.10/3,436,290.82
  6. Step 6: Final answer
    x = 2,740,630.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.