Home / 3,476,345-5,216,012.18-1,680,578.80

Finding the Fourth Proportional to 3,476,345, 5,216,012.18 and 1,680,578.80

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Solution

The fourth proportional to 3,476,345, 5,216,012.18 and 1,680,578.80 is: 2,521,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476,345 : 5,216,012.18 = 1,680,578.80 : x
  2. Step 2: Convert to fraction form
    3,476,345/5,216,012.18 = 1,680,578.80/x
  3. Step 3: Cross multiply
    3,476,345x = 5,216,012.18 × 1,680,578.80
  4. Step 4: Simplify right side
    3,476,345x = 8,765,919,490,249.78
  5. Step 5: Solve for x
    x = 8,765,919,490,249.78/3,476,345
  6. Step 6: Final answer
    x = 2,521,590.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.