Home / 1,972,186.40-2,954,132.40-1,640,410.40

Finding the Fourth Proportional to 1,972,186.40, 2,954,132.40 and 1,640,410.40

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Solution

The fourth proportional to 1,972,186.40, 2,954,132.40 and 1,640,410.40 is: 2,457,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,186.40 : 2,954,132.40 = 1,640,410.40 : x
  2. Step 2: Convert to fraction form
    1,972,186.40/2,954,132.40 = 1,640,410.40/x
  3. Step 3: Cross multiply
    1,972,186.40x = 2,954,132.40 × 1,640,410.40
  4. Step 4: Simplify right side
    1,972,186.40x = 4,845,989,511,936.96
  5. Step 5: Solve for x
    x = 4,845,989,511,936.96/1,972,186.40
  6. Step 6: Final answer
    x = 2,457,166.07

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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.