Home / 2,190,940.37-3,023,441.90-1,224,077.93

Finding the Fourth Proportional to 2,190,940.37, 3,023,441.90 and 1,224,077.93

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Solution

The fourth proportional to 2,190,940.37, 3,023,441.90 and 1,224,077.93 is: 1,689,196.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,940.37 : 3,023,441.90 = 1,224,077.93 : x
  2. Step 2: Convert to fraction form
    2,190,940.37/3,023,441.90 = 1,224,077.93/x
  3. Step 3: Cross multiply
    2,190,940.37x = 3,023,441.90 × 1,224,077.93
  4. Step 4: Simplify right side
    2,190,940.37x = 3,700,928,481,189.67
  5. Step 5: Solve for x
    x = 3,700,928,481,189.67/2,190,940.37
  6. Step 6: Final answer
    x = 1,689,196.36

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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.