Home / 5,103,556.42-7,042,886.74-2,780,441.79

Finding the Fourth Proportional to 5,103,556.42, 7,042,886.74 and 2,780,441.79

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Solution

The fourth proportional to 5,103,556.42, 7,042,886.74 and 2,780,441.79 is: 3,836,998.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,556.42 : 7,042,886.74 = 2,780,441.79 : x
  2. Step 2: Convert to fraction form
    5,103,556.42/7,042,886.74 = 2,780,441.79/x
  3. Step 3: Cross multiply
    5,103,556.42x = 7,042,886.74 × 2,780,441.79
  4. Step 4: Simplify right side
    5,103,556.42x = 19,582,336,614,132.87
  5. Step 5: Solve for x
    x = 19,582,336,614,132.87/5,103,556.42
  6. Step 6: Final answer
    x = 3,836,998.16

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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.