Home / 2,790,388.80-4,186,166.40-897,321.60

Finding the Fourth Proportional to 2,790,388.80, 4,186,166.40 and 897,321.60

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Solution

The fourth proportional to 2,790,388.80, 4,186,166.40 and 897,321.60 is: 1,346,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,388.80 : 4,186,166.40 = 897,321.60 : x
  2. Step 2: Convert to fraction form
    2,790,388.80/4,186,166.40 = 897,321.60/x
  3. Step 3: Cross multiply
    2,790,388.80x = 4,186,166.40 × 897,321.60
  4. Step 4: Simplify right side
    2,790,388.80x = 3,756,337,531,914.24
  5. Step 5: Solve for x
    x = 3,756,337,531,914.24/2,790,388.80
  6. Step 6: Final answer
    x = 1,346,169.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.