Home / 2,640,768.10-3,644,059.12-1,608,161.47

Finding the Fourth Proportional to 2,640,768.10, 3,644,059.12 and 1,608,161.47

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Solution

The fourth proportional to 2,640,768.10, 3,644,059.12 and 1,608,161.47 is: 2,219,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,768.10 : 3,644,059.12 = 1,608,161.47 : x
  2. Step 2: Convert to fraction form
    2,640,768.10/3,644,059.12 = 1,608,161.47/x
  3. Step 3: Cross multiply
    2,640,768.10x = 3,644,059.12 × 1,608,161.47
  4. Step 4: Simplify right side
    2,640,768.10x = 5,860,235,458,055.56
  5. Step 5: Solve for x
    x = 5,860,235,458,055.56/2,640,768.10
  6. Step 6: Final answer
    x = 2,219,140.51

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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.