Home / 2,415,176.40-3,618,617.40-1,276,251.60

Finding the Fourth Proportional to 2,415,176.40, 3,618,617.40 and 1,276,251.60

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Solution

The fourth proportional to 2,415,176.40, 3,618,617.40 and 1,276,251.60 is: 1,912,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,176.40 : 3,618,617.40 = 1,276,251.60 : x
  2. Step 2: Convert to fraction form
    2,415,176.40/3,618,617.40 = 1,276,251.60/x
  3. Step 3: Cross multiply
    2,415,176.40x = 3,618,617.40 × 1,276,251.60
  4. Step 4: Simplify right side
    2,415,176.40x = 4,618,266,246,537.84
  5. Step 5: Solve for x
    x = 4,618,266,246,537.84/2,415,176.40
  6. Step 6: Final answer
    x = 1,912,185.90

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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.