Home / 3,108,013.80-4,662,020.70-978,750.60

Finding the Fourth Proportional to 3,108,013.80, 4,662,020.70 and 978,750.60

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Solution

The fourth proportional to 3,108,013.80, 4,662,020.70 and 978,750.60 is: 1,468,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,013.80 : 4,662,020.70 = 978,750.60 : x
  2. Step 2: Convert to fraction form
    3,108,013.80/4,662,020.70 = 978,750.60/x
  3. Step 3: Cross multiply
    3,108,013.80x = 4,662,020.70 × 978,750.60
  4. Step 4: Simplify right side
    3,108,013.80x = 4,562,955,557,337.42
  5. Step 5: Solve for x
    x = 4,562,955,557,337.42/3,108,013.80
  6. Step 6: Final answer
    x = 1,468,125.90

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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.