Home / 2,668,352.49-3,682,931.69-2,086,424.59

Finding the Fourth Proportional to 2,668,352.49, 3,682,931.69 and 2,086,424.59

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Solution

The fourth proportional to 2,668,352.49, 3,682,931.69 and 2,086,424.59 is: 2,879,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,352.49 : 3,682,931.69 = 2,086,424.59 : x
  2. Step 2: Convert to fraction form
    2,668,352.49/3,682,931.69 = 2,086,424.59/x
  3. Step 3: Cross multiply
    2,668,352.49x = 3,682,931.69 × 2,086,424.59
  4. Step 4: Simplify right side
    2,668,352.49x = 7,684,159,241,306.26
  5. Step 5: Solve for x
    x = 7,684,159,241,306.26/2,668,352.49
  6. Step 6: Final answer
    x = 2,879,739.19

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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.