Home / 1,890,446.37-2,835,665.22-810,258.51

Finding the Fourth Proportional to 1,890,446.37, 2,835,665.22 and 810,258.51

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Solution

The fourth proportional to 1,890,446.37, 2,835,665.22 and 810,258.51 is: 1,215,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,446.37 : 2,835,665.22 = 810,258.51 : x
  2. Step 2: Convert to fraction form
    1,890,446.37/2,835,665.22 = 810,258.51/x
  3. Step 3: Cross multiply
    1,890,446.37x = 2,835,665.22 × 810,258.51
  4. Step 4: Simplify right side
    1,890,446.37x = 2,297,621,876,016.02
  5. Step 5: Solve for x
    x = 2,297,621,876,016.02/1,890,446.37
  6. Step 6: Final answer
    x = 1,215,385.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.