Home / 3,042,421.40-4,198,375.05-1,665,498.80

Finding the Fourth Proportional to 3,042,421.40, 4,198,375.05 and 1,665,498.80

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Solution

The fourth proportional to 3,042,421.40, 4,198,375.05 and 1,665,498.80 is: 2,298,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042,421.40 : 4,198,375.05 = 1,665,498.80 : x
  2. Step 2: Convert to fraction form
    3,042,421.40/4,198,375.05 = 1,665,498.80/x
  3. Step 3: Cross multiply
    3,042,421.40x = 4,198,375.05 × 1,665,498.80
  4. Step 4: Simplify right side
    3,042,421.40x = 6,992,388,607,724.94
  5. Step 5: Solve for x
    x = 6,992,388,607,724.94/3,042,421.40
  6. Step 6: Final answer
    x = 2,298,297.21

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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.