Home / 1,942,291.40-2,682,054.58-1,218,383.46

Finding the Fourth Proportional to 1,942,291.40, 2,682,054.58 and 1,218,383.46

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Solution

The fourth proportional to 1,942,291.40, 2,682,054.58 and 1,218,383.46 is: 1,682,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,291.40 : 2,682,054.58 = 1,218,383.46 : x
  2. Step 2: Convert to fraction form
    1,942,291.40/2,682,054.58 = 1,218,383.46/x
  3. Step 3: Cross multiply
    1,942,291.40x = 2,682,054.58 × 1,218,383.46
  4. Step 4: Simplify right side
    1,942,291.40x = 3,267,770,939,089.25
  5. Step 5: Solve for x
    x = 3,267,770,939,089.25/1,942,291.40
  6. Step 6: Final answer
    x = 1,682,430.83

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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.