Home / 1,982,020.42-2,735,571.77-1,292,495.18

Finding the Fourth Proportional to 1,982,020.42, 2,735,571.77 and 1,292,495.18

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Solution

The fourth proportional to 1,982,020.42, 2,735,571.77 and 1,292,495.18 is: 1,783,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,020.42 : 2,735,571.77 = 1,292,495.18 : x
  2. Step 2: Convert to fraction form
    1,982,020.42/2,735,571.77 = 1,292,495.18/x
  3. Step 3: Cross multiply
    1,982,020.42x = 2,735,571.77 × 1,292,495.18
  4. Step 4: Simplify right side
    1,982,020.42x = 3,535,713,327,645.52
  5. Step 5: Solve for x
    x = 3,535,713,327,645.52/1,982,020.42
  6. Step 6: Final answer
    x = 1,783,893.49

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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.