Home / 2,103,964.20-3,154,391.10-1,158,402.60

Finding the Fourth Proportional to 2,103,964.20, 3,154,391.10 and 1,158,402.60

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Solution

The fourth proportional to 2,103,964.20, 3,154,391.10 and 1,158,402.60 is: 1,736,747.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,964.20 : 3,154,391.10 = 1,158,402.60 : x
  2. Step 2: Convert to fraction form
    2,103,964.20/3,154,391.10 = 1,158,402.60/x
  3. Step 3: Cross multiply
    2,103,964.20x = 3,154,391.10 × 1,158,402.60
  4. Step 4: Simplify right side
    2,103,964.20x = 3,654,054,851,656.86
  5. Step 5: Solve for x
    x = 3,654,054,851,656.86/2,103,964.20
  6. Step 6: Final answer
    x = 1,736,747.64

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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.