Home / 2,142,346.20-3,211,251.30-793,642.20

Finding the Fourth Proportional to 2,142,346.20, 3,211,251.30 and 793,642.20

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Solution

The fourth proportional to 2,142,346.20, 3,211,251.30 and 793,642.20 is: 1,189,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,346.20 : 3,211,251.30 = 793,642.20 : x
  2. Step 2: Convert to fraction form
    2,142,346.20/3,211,251.30 = 793,642.20/x
  3. Step 3: Cross multiply
    2,142,346.20x = 3,211,251.30 × 793,642.20
  4. Step 4: Simplify right side
    2,142,346.20x = 2,548,584,546,484.86
  5. Step 5: Solve for x
    x = 2,548,584,546,484.86/2,142,346.20
  6. Step 6: Final answer
    x = 1,189,623.11

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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.