Home / 2,155,204.80-3,230,733.60-1,675,166.40

Finding the Fourth Proportional to 2,155,204.80, 3,230,733.60 and 1,675,166.40

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Solution

The fourth proportional to 2,155,204.80, 3,230,733.60 and 1,675,166.40 is: 2,511,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,204.80 : 3,230,733.60 = 1,675,166.40 : x
  2. Step 2: Convert to fraction form
    2,155,204.80/3,230,733.60 = 1,675,166.40/x
  3. Step 3: Cross multiply
    2,155,204.80x = 3,230,733.60 × 1,675,166.40
  4. Step 4: Simplify right side
    2,155,204.80x = 5,412,016,374,071.04
  5. Step 5: Solve for x
    x = 5,412,016,374,071.04/2,155,204.80
  6. Step 6: Final answer
    x = 2,511,137.86

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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.