Home / 2,043,821.15-2,820,338.25-1,227,539.81

Finding the Fourth Proportional to 2,043,821.15, 2,820,338.25 and 1,227,539.81

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Solution

The fourth proportional to 2,043,821.15, 2,820,338.25 and 1,227,539.81 is: 1,693,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043,821.15 : 2,820,338.25 = 1,227,539.81 : x
  2. Step 2: Convert to fraction form
    2,043,821.15/2,820,338.25 = 1,227,539.81/x
  3. Step 3: Cross multiply
    2,043,821.15x = 2,820,338.25 × 1,227,539.81
  4. Step 4: Simplify right side
    2,043,821.15x = 3,462,077,479,540.73
  5. Step 5: Solve for x
    x = 3,462,077,479,540.73/2,043,821.15
  6. Step 6: Final answer
    x = 1,693,923.89

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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.