Home / 2,036,019.84-2,809,965.12-1,231,201.92

Finding the Fourth Proportional to 2,036,019.84, 2,809,965.12 and 1,231,201.92

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Solution

The fourth proportional to 2,036,019.84, 2,809,965.12 and 1,231,201.92 is: 1,699,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036,019.84 : 2,809,965.12 = 1,231,201.92 : x
  2. Step 2: Convert to fraction form
    2,036,019.84/2,809,965.12 = 1,231,201.92/x
  3. Step 3: Cross multiply
    2,036,019.84x = 2,809,965.12 × 1,231,201.92
  4. Step 4: Simplify right side
    2,036,019.84x = 3,459,634,450,877.03
  5. Step 5: Solve for x
    x = 3,459,634,450,877.03/2,036,019.84
  6. Step 6: Final answer
    x = 1,699,214.51

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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.