Home / 2,237,816.20-3,088,221.78-1,219,220.68

Finding the Fourth Proportional to 2,237,816.20, 3,088,221.78 and 1,219,220.68

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Solution

The fourth proportional to 2,237,816.20, 3,088,221.78 and 1,219,220.68 is: 1,682,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237,816.20 : 3,088,221.78 = 1,219,220.68 : x
  2. Step 2: Convert to fraction form
    2,237,816.20/3,088,221.78 = 1,219,220.68/x
  3. Step 3: Cross multiply
    2,237,816.20x = 3,088,221.78 × 1,219,220.68
  4. Step 4: Simplify right side
    2,237,816.20x = 3,765,223,858,602.41
  5. Step 5: Solve for x
    x = 3,765,223,858,602.41/2,237,816.20
  6. Step 6: Final answer
    x = 1,682,543.84

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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.