Home / 2,695,855.10-4,043,782.65-1,278,679.10

Finding the Fourth Proportional to 2,695,855.10, 4,043,782.65 and 1,278,679.10

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Solution

The fourth proportional to 2,695,855.10, 4,043,782.65 and 1,278,679.10 is: 1,918,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695,855.10 : 4,043,782.65 = 1,278,679.10 : x
  2. Step 2: Convert to fraction form
    2,695,855.10/4,043,782.65 = 1,278,679.10/x
  3. Step 3: Cross multiply
    2,695,855.10x = 4,043,782.65 × 1,278,679.10
  4. Step 4: Simplify right side
    2,695,855.10x = 5,170,700,359,497.62
  5. Step 5: Solve for x
    x = 5,170,700,359,497.62/2,695,855.10
  6. Step 6: Final answer
    x = 1,918,018.65

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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.