Home / 2,778,626.45-4,170,333.87-1,926,296.66

Finding the Fourth Proportional to 2,778,626.45, 4,170,333.87 and 1,926,296.66

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Solution

The fourth proportional to 2,778,626.45, 4,170,333.87 and 1,926,296.66 is: 2,891,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,626.45 : 4,170,333.87 = 1,926,296.66 : x
  2. Step 2: Convert to fraction form
    2,778,626.45/4,170,333.87 = 1,926,296.66/x
  3. Step 3: Cross multiply
    2,778,626.45x = 4,170,333.87 × 1,926,296.66
  4. Step 4: Simplify right side
    2,778,626.45x = 8,033,300,215,291.71
  5. Step 5: Solve for x
    x = 8,033,300,215,291.71/2,778,626.45
  6. Step 6: Final answer
    x = 2,891,104.78

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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.