Home / 2,190,615.36-3,022,941.24-1,223,553.12

Finding the Fourth Proportional to 2,190,615.36, 3,022,941.24 and 1,223,553.12

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Solution

The fourth proportional to 2,190,615.36, 3,022,941.24 and 1,223,553.12 is: 1,688,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,615.36 : 3,022,941.24 = 1,223,553.12 : x
  2. Step 2: Convert to fraction form
    2,190,615.36/3,022,941.24 = 1,223,553.12/x
  3. Step 3: Cross multiply
    2,190,615.36x = 3,022,941.24 × 1,223,553.12
  4. Step 4: Simplify right side
    2,190,615.36x = 3,698,729,185,778.67
  5. Step 5: Solve for x
    x = 3,698,729,185,778.67/2,190,615.36
  6. Step 6: Final answer
    x = 1,688,443.01

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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.