Home / 2,155,222.80-3,230,760.60-1,675,184.40

Finding the Fourth Proportional to 2,155,222.80, 3,230,760.60 and 1,675,184.40

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Solution

The fourth proportional to 2,155,222.80, 3,230,760.60 and 1,675,184.40 is: 2,511,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,222.80 : 3,230,760.60 = 1,675,184.40 : x
  2. Step 2: Convert to fraction form
    2,155,222.80/3,230,760.60 = 1,675,184.40/x
  3. Step 3: Cross multiply
    2,155,222.80x = 3,230,760.60 × 1,675,184.40
  4. Step 4: Simplify right side
    2,155,222.80x = 5,412,119,757,254.64
  5. Step 5: Solve for x
    x = 5,412,119,757,254.64/2,155,222.80
  6. Step 6: Final answer
    x = 2,511,164.86

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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.