Home / 2,778,367.74-3,834,743.22-1,809,769.74

Finding the Fourth Proportional to 2,778,367.74, 3,834,743.22 and 1,809,769.74

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Solution

The fourth proportional to 2,778,367.74, 3,834,743.22 and 1,809,769.74 is: 2,497,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,367.74 : 3,834,743.22 = 1,809,769.74 : x
  2. Step 2: Convert to fraction form
    2,778,367.74/3,834,743.22 = 1,809,769.74/x
  3. Step 3: Cross multiply
    2,778,367.74x = 3,834,743.22 × 1,809,769.74
  4. Step 4: Simplify right side
    2,778,367.74x = 6,940,002,240,226.16
  5. Step 5: Solve for x
    x = 6,940,002,240,226.16/2,778,367.74
  6. Step 6: Final answer
    x = 2,497,870.29

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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.