Home / 1,945,085.40-2,684,220.93-1,085,645.43

Finding the Fourth Proportional to 1,945,085.40, 2,684,220.93 and 1,085,645.43

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Solution

The fourth proportional to 1,945,085.40, 2,684,220.93 and 1,085,645.43 is: 1,498,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,085.40 : 2,684,220.93 = 1,085,645.43 : x
  2. Step 2: Convert to fraction form
    1,945,085.40/2,684,220.93 = 1,085,645.43/x
  3. Step 3: Cross multiply
    1,945,085.40x = 2,684,220.93 × 1,085,645.43
  4. Step 4: Simplify right side
    1,945,085.40x = 2,914,112,185,764.85
  5. Step 5: Solve for x
    x = 2,914,112,185,764.85/1,945,085.40
  6. Step 6: Final answer
    x = 1,498,192.41

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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.