Home / 2,767,090.44-4,151,896.68-1,420,198.74

Finding the Fourth Proportional to 2,767,090.44, 4,151,896.68 and 1,420,198.74

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Solution

The fourth proportional to 2,767,090.44, 4,151,896.68 and 1,420,198.74 is: 2,130,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,090.44 : 4,151,896.68 = 1,420,198.74 : x
  2. Step 2: Convert to fraction form
    2,767,090.44/4,151,896.68 = 1,420,198.74/x
  3. Step 3: Cross multiply
    2,767,090.44x = 4,151,896.68 × 1,420,198.74
  4. Step 4: Simplify right side
    2,767,090.44x = 5,896,518,433,546.18
  5. Step 5: Solve for x
    x = 5,896,518,433,546.18/2,767,090.44
  6. Step 6: Final answer
    x = 2,130,945.32

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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.