Home / 2,211,390.80-3,320,585.40-1,679,512.40

Finding the Fourth Proportional to 2,211,390.80, 3,320,585.40 and 1,679,512.40

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Solution

The fourth proportional to 2,211,390.80, 3,320,585.40 and 1,679,512.40 is: 2,521,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,390.80 : 3,320,585.40 = 1,679,512.40 : x
  2. Step 2: Convert to fraction form
    2,211,390.80/3,320,585.40 = 1,679,512.40/x
  3. Step 3: Cross multiply
    2,211,390.80x = 3,320,585.40 × 1,679,512.40
  4. Step 4: Simplify right side
    2,211,390.80x = 5,576,964,354,558.96
  5. Step 5: Solve for x
    x = 5,576,964,354,558.96/2,211,390.80
  6. Step 6: Final answer
    x = 2,521,926.18

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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.