Home / 2,148,697.50-2,965,258.65-1,181,853.15

Finding the Fourth Proportional to 2,148,697.50, 2,965,258.65 and 1,181,853.15

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Solution

The fourth proportional to 2,148,697.50, 2,965,258.65 and 1,181,853.15 is: 1,630,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,697.50 : 2,965,258.65 = 1,181,853.15 : x
  2. Step 2: Convert to fraction form
    2,148,697.50/2,965,258.65 = 1,181,853.15/x
  3. Step 3: Cross multiply
    2,148,697.50x = 2,965,258.65 × 1,181,853.15
  4. Step 4: Simplify right side
    2,148,697.50x = 3,504,500,276,067.25
  5. Step 5: Solve for x
    x = 3,504,500,276,067.25/2,148,697.50
  6. Step 6: Final answer
    x = 1,630,988.20

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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.