Home / 2,214,019.80-3,321,029.70-2,172,029.40

Finding the Fourth Proportional to 2,214,019.80, 3,321,029.70 and 2,172,029.40

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Solution

The fourth proportional to 2,214,019.80, 3,321,029.70 and 2,172,029.40 is: 3,258,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,019.80 : 3,321,029.70 = 2,172,029.40 : x
  2. Step 2: Convert to fraction form
    2,214,019.80/3,321,029.70 = 2,172,029.40/x
  3. Step 3: Cross multiply
    2,214,019.80x = 3,321,029.70 × 2,172,029.40
  4. Step 4: Simplify right side
    2,214,019.80x = 7,213,374,146,673.18
  5. Step 5: Solve for x
    x = 7,213,374,146,673.18/2,214,019.80
  6. Step 6: Final answer
    x = 3,258,044.10

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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.