Home / 3,616,397.09-4,990,934.31-1,985,080.79

Finding the Fourth Proportional to 3,616,397.09, 4,990,934.31 and 1,985,080.79

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Solution

The fourth proportional to 3,616,397.09, 4,990,934.31 and 1,985,080.79 is: 2,739,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,397.09 : 4,990,934.31 = 1,985,080.79 : x
  2. Step 2: Convert to fraction form
    3,616,397.09/4,990,934.31 = 1,985,080.79/x
  3. Step 3: Cross multiply
    3,616,397.09x = 4,990,934.31 × 1,985,080.79
  4. Step 4: Simplify right side
    3,616,397.09x = 9,907,407,822,932.90
  5. Step 5: Solve for x
    x = 9,907,407,822,932.90/3,616,397.09
  6. Step 6: Final answer
    x = 2,739,579.64

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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.