Home / 1,940,431.35-2,658,400.53-1,867,705.47

Finding the Fourth Proportional to 1,940,431.35, 2,658,400.53 and 1,867,705.47

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Solution

The fourth proportional to 1,940,431.35, 2,658,400.53 and 1,867,705.47 is: 2,558,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,431.35 : 2,658,400.53 = 1,867,705.47 : x
  2. Step 2: Convert to fraction form
    1,940,431.35/2,658,400.53 = 1,867,705.47/x
  3. Step 3: Cross multiply
    1,940,431.35x = 2,658,400.53 × 1,867,705.47
  4. Step 4: Simplify right side
    1,940,431.35x = 4,965,109,211,331.90
  5. Step 5: Solve for x
    x = 4,965,109,211,331.90/1,940,431.35
  6. Step 6: Final answer
    x = 2,558,765.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.