Home / 2,891,348.16-3,991,874.11-1,860,646.71

Finding the Fourth Proportional to 2,891,348.16, 3,991,874.11 and 1,860,646.71

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Solution

The fourth proportional to 2,891,348.16, 3,991,874.11 and 1,860,646.71 is: 2,568,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,348.16 : 3,991,874.11 = 1,860,646.71 : x
  2. Step 2: Convert to fraction form
    2,891,348.16/3,991,874.11 = 1,860,646.71/x
  3. Step 3: Cross multiply
    2,891,348.16x = 3,991,874.11 × 1,860,646.71
  4. Step 4: Simplify right side
    2,891,348.16x = 7,427,467,425,599.11
  5. Step 5: Solve for x
    x = 7,427,467,425,599.11/2,891,348.16
  6. Step 6: Final answer
    x = 2,568,859.59

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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.