Home / 2,212,708.20-3,319,062.30-2,181,215.40

Finding the Fourth Proportional to 2,212,708.20, 3,319,062.30 and 2,181,215.40

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Solution

The fourth proportional to 2,212,708.20, 3,319,062.30 and 2,181,215.40 is: 3,271,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,708.20 : 3,319,062.30 = 2,181,215.40 : x
  2. Step 2: Convert to fraction form
    2,212,708.20/3,319,062.30 = 2,181,215.40/x
  3. Step 3: Cross multiply
    2,212,708.20x = 3,319,062.30 × 2,181,215.40
  4. Step 4: Simplify right side
    2,212,708.20x = 7,239,589,802,319.42
  5. Step 5: Solve for x
    x = 7,239,589,802,319.42/2,212,708.20
  6. Step 6: Final answer
    x = 3,271,823.10

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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.