Home / 3,699,592.80-5,105,399.40-2,171,404.68

Finding the Fourth Proportional to 3,699,592.80, 5,105,399.40 and 2,171,404.68

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Solution

The fourth proportional to 3,699,592.80, 5,105,399.40 and 2,171,404.68 is: 2,996,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699,592.80 : 5,105,399.40 = 2,171,404.68 : x
  2. Step 2: Convert to fraction form
    3,699,592.80/5,105,399.40 = 2,171,404.68/x
  3. Step 3: Cross multiply
    3,699,592.80x = 5,105,399.40 × 2,171,404.68
  4. Step 4: Simplify right side
    3,699,592.80x = 11,085,888,150,429.19
  5. Step 5: Solve for x
    x = 11,085,888,150,429.19/3,699,592.80
  6. Step 6: Final answer
    x = 2,996,515.77

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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.