Home / 2,855,901.20-4,284,046.20-910,475.60

Finding the Fourth Proportional to 2,855,901.20, 4,284,046.20 and 910,475.60

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Solution

The fourth proportional to 2,855,901.20, 4,284,046.20 and 910,475.60 is: 1,365,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,901.20 : 4,284,046.20 = 910,475.60 : x
  2. Step 2: Convert to fraction form
    2,855,901.20/4,284,046.20 = 910,475.60/x
  3. Step 3: Cross multiply
    2,855,901.20x = 4,284,046.20 × 910,475.60
  4. Step 4: Simplify right side
    2,855,901.20x = 3,900,519,534,372.72
  5. Step 5: Solve for x
    x = 3,900,519,534,372.72/2,855,901.20
  6. Step 6: Final answer
    x = 1,365,775.38

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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.