Home / 5,119,742.85-7,065,269.22-2,796,667.59

Finding the Fourth Proportional to 5,119,742.85, 7,065,269.22 and 2,796,667.59

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Solution

The fourth proportional to 5,119,742.85, 7,065,269.22 and 2,796,667.59 is: 3,859,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119,742.85 : 7,065,269.22 = 2,796,667.59 : x
  2. Step 2: Convert to fraction form
    5,119,742.85/7,065,269.22 = 2,796,667.59/x
  3. Step 3: Cross multiply
    5,119,742.85x = 7,065,269.22 × 2,796,667.59
  4. Step 4: Simplify right side
    5,119,742.85x = 19,759,209,442,198.58
  5. Step 5: Solve for x
    x = 19,759,209,442,198.58/5,119,742.85
  6. Step 6: Final answer
    x = 3,859,414.43

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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.