Home / 5,105,318.62-7,045,340.88-2,782,211.79

Finding the Fourth Proportional to 5,105,318.62, 7,045,340.88 and 2,782,211.79

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Solution

The fourth proportional to 5,105,318.62, 7,045,340.88 and 2,782,211.79 is: 3,839,452.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,318.62 : 7,045,340.88 = 2,782,211.79 : x
  2. Step 2: Convert to fraction form
    5,105,318.62/7,045,340.88 = 2,782,211.79/x
  3. Step 3: Cross multiply
    5,105,318.62x = 7,045,340.88 × 2,782,211.79
  4. Step 4: Simplify right side
    5,105,318.62x = 19,601,630,460,904.98
  5. Step 5: Solve for x
    x = 19,601,630,460,904.98/5,105,318.62
  6. Step 6: Final answer
    x = 3,839,452.92

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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.