Home / 2,171,379.60-3,257,069.40-972,028.80

Finding the Fourth Proportional to 2,171,379.60, 3,257,069.40 and 972,028.80

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Solution

The fourth proportional to 2,171,379.60, 3,257,069.40 and 972,028.80 is: 1,458,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,379.60 : 3,257,069.40 = 972,028.80 : x
  2. Step 2: Convert to fraction form
    2,171,379.60/3,257,069.40 = 972,028.80/x
  3. Step 3: Cross multiply
    2,171,379.60x = 3,257,069.40 × 972,028.80
  4. Step 4: Simplify right side
    2,171,379.60x = 3,165,965,260,398.72
  5. Step 5: Solve for x
    x = 3,165,965,260,398.72/2,171,379.60
  6. Step 6: Final answer
    x = 1,458,043.20

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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.