Home / 1,627,183.92-2,245,059.32-1,281,948.25

Finding the Fourth Proportional to 1,627,183.92, 2,245,059.32 and 1,281,948.25

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Solution

The fourth proportional to 1,627,183.92, 2,245,059.32 and 1,281,948.25 is: 1,768,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,183.92 : 2,245,059.32 = 1,281,948.25 : x
  2. Step 2: Convert to fraction form
    1,627,183.92/2,245,059.32 = 1,281,948.25/x
  3. Step 3: Cross multiply
    1,627,183.92x = 2,245,059.32 × 1,281,948.25
  4. Step 4: Simplify right side
    1,627,183.92x = 2,878,049,858,607.29
  5. Step 5: Solve for x
    x = 2,878,049,858,607.29/1,627,183.92
  6. Step 6: Final answer
    x = 1,768,730.52

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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.