Home / 2,190,453.20-3,022,812.44-1,223,580.56

Finding the Fourth Proportional to 2,190,453.20, 3,022,812.44 and 1,223,580.56

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Solution

The fourth proportional to 2,190,453.20, 3,022,812.44 and 1,223,580.56 is: 1,688,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,453.20 : 3,022,812.44 = 1,223,580.56 : x
  2. Step 2: Convert to fraction form
    2,190,453.20/3,022,812.44 = 1,223,580.56/x
  3. Step 3: Cross multiply
    2,190,453.20x = 3,022,812.44 × 1,223,580.56
  4. Step 4: Simplify right side
    2,190,453.20x = 3,698,654,538,110.17
  5. Step 5: Solve for x
    x = 3,698,654,538,110.17/2,190,453.20
  6. Step 6: Final answer
    x = 1,688,533.92

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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.