Home / 3,179,146.56-4,387,044.96-1,821,107.04

Finding the Fourth Proportional to 3,179,146.56, 4,387,044.96 and 1,821,107.04

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Solution

The fourth proportional to 3,179,146.56, 4,387,044.96 and 1,821,107.04 is: 2,513,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,146.56 : 4,387,044.96 = 1,821,107.04 : x
  2. Step 2: Convert to fraction form
    3,179,146.56/4,387,044.96 = 1,821,107.04/x
  3. Step 3: Cross multiply
    3,179,146.56x = 4,387,044.96 × 1,821,107.04
  4. Step 4: Simplify right side
    3,179,146.56x = 7,989,278,461,452.52
  5. Step 5: Solve for x
    x = 7,989,278,461,452.52/3,179,146.56
  6. Step 6: Final answer
    x = 2,513,026.16

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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.