Home / 5,148,866.46-7,105,412.43-2,857,022.22

Finding the Fourth Proportional to 5,148,866.46, 7,105,412.43 and 2,857,022.22

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Solution

The fourth proportional to 5,148,866.46, 7,105,412.43 and 2,857,022.22 is: 3,942,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,866.46 : 7,105,412.43 = 2,857,022.22 : x
  2. Step 2: Convert to fraction form
    5,148,866.46/7,105,412.43 = 2,857,022.22/x
  3. Step 3: Cross multiply
    5,148,866.46x = 7,105,412.43 × 2,857,022.22
  4. Step 4: Simplify right side
    5,148,866.46x = 20,300,321,194,774.20
  5. Step 5: Solve for x
    x = 20,300,321,194,774.20/5,148,866.46
  6. Step 6: Final answer
    x = 3,942,677.74

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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.