Home / 1,989,531.14-2,985,035.62-1,381,999.34

Finding the Fourth Proportional to 1,989,531.14, 2,985,035.62 and 1,381,999.34

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Solution

The fourth proportional to 1,989,531.14, 2,985,035.62 and 1,381,999.34 is: 2,073,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,531.14 : 2,985,035.62 = 1,381,999.34 : x
  2. Step 2: Convert to fraction form
    1,989,531.14/2,985,035.62 = 1,381,999.34/x
  3. Step 3: Cross multiply
    1,989,531.14x = 2,985,035.62 × 1,381,999.34
  4. Step 4: Simplify right side
    1,989,531.14x = 4,125,317,256,716.49
  5. Step 5: Solve for x
    x = 4,125,317,256,716.49/1,989,531.14
  6. Step 6: Final answer
    x = 2,073,512.28

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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.