Home / 2,171,908.96-2,997,230.88-1,205,186.56

Finding the Fourth Proportional to 2,171,908.96, 2,997,230.88 and 1,205,186.56

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Solution

The fourth proportional to 2,171,908.96, 2,997,230.88 and 1,205,186.56 is: 1,663,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,908.96 : 2,997,230.88 = 1,205,186.56 : x
  2. Step 2: Convert to fraction form
    2,171,908.96/2,997,230.88 = 1,205,186.56/x
  3. Step 3: Cross multiply
    2,171,908.96x = 2,997,230.88 × 1,205,186.56
  4. Step 4: Simplify right side
    2,171,908.96x = 3,612,222,373,792.97
  5. Step 5: Solve for x
    x = 3,612,222,373,792.97/2,171,908.96
  6. Step 6: Final answer
    x = 1,663,155.52

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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.