Home / 1,841,397.42-2,540,680.31-1,212,676.18

Finding the Fourth Proportional to 1,841,397.42, 2,540,680.31 and 1,212,676.18

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Solution

The fourth proportional to 1,841,397.42, 2,540,680.31 and 1,212,676.18 is: 1,673,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841,397.42 : 2,540,680.31 = 1,212,676.18 : x
  2. Step 2: Convert to fraction form
    1,841,397.42/2,540,680.31 = 1,212,676.18/x
  3. Step 3: Cross multiply
    1,841,397.42x = 2,540,680.31 × 1,212,676.18
  4. Step 4: Simplify right side
    1,841,397.42x = 3,081,022,493,220.34
  5. Step 5: Solve for x
    x = 3,081,022,493,220.34/1,841,397.42
  6. Step 6: Final answer
    x = 1,673,198.01

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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.