Home / 2,918,986.07-4,378,897.78-897,399.73

Finding the Fourth Proportional to 2,918,986.07, 4,378,897.78 and 897,399.73

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Solution

The fourth proportional to 2,918,986.07, 4,378,897.78 and 897,399.73 is: 1,346,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,986.07 : 4,378,897.78 = 897,399.73 : x
  2. Step 2: Convert to fraction form
    2,918,986.07/4,378,897.78 = 897,399.73/x
  3. Step 3: Cross multiply
    2,918,986.07x = 4,378,897.78 × 897,399.73
  4. Step 4: Simplify right side
    2,918,986.07x = 3,929,621,685,469.60
  5. Step 5: Solve for x
    x = 3,929,621,685,469.60/2,918,986.07
  6. Step 6: Final answer
    x = 1,346,228.31

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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.