Home / 2,389,796.20-3,574,326.30-2,138,890.60

Finding the Fourth Proportional to 2,389,796.20, 3,574,326.30 and 2,138,890.60

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Solution

The fourth proportional to 2,389,796.20, 3,574,326.30 and 2,138,890.60 is: 3,199,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,796.20 : 3,574,326.30 = 2,138,890.60 : x
  2. Step 2: Convert to fraction form
    2,389,796.20/3,574,326.30 = 2,138,890.60/x
  3. Step 3: Cross multiply
    2,389,796.20x = 3,574,326.30 × 2,138,890.60
  4. Step 4: Simplify right side
    2,389,796.20x = 7,645,092,924,402.78
  5. Step 5: Solve for x
    x = 7,645,092,924,402.78/2,389,796.20
  6. Step 6: Final answer
    x = 3,199,056.44

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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.