Home / 3,469,166.80-4,787,218.88-1,920,323.68

Finding the Fourth Proportional to 3,469,166.80, 4,787,218.88 and 1,920,323.68

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Solution

The fourth proportional to 3,469,166.80, 4,787,218.88 and 1,920,323.68 is: 2,649,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,166.80 : 4,787,218.88 = 1,920,323.68 : x
  2. Step 2: Convert to fraction form
    3,469,166.80/4,787,218.88 = 1,920,323.68/x
  3. Step 3: Cross multiply
    3,469,166.80x = 4,787,218.88 × 1,920,323.68
  4. Step 4: Simplify right side
    3,469,166.80x = 9,193,009,776,607.08
  5. Step 5: Solve for x
    x = 9,193,009,776,607.08/3,469,166.80
  6. Step 6: Final answer
    x = 2,649,918.64

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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.