Home / 4,267,866.40-6,399,610.80-1,275,661.60

Finding the Fourth Proportional to 4,267,866.40, 6,399,610.80 and 1,275,661.60

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Solution

The fourth proportional to 4,267,866.40, 6,399,610.80 and 1,275,661.60 is: 1,912,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267,866.40 : 6,399,610.80 = 1,275,661.60 : x
  2. Step 2: Convert to fraction form
    4,267,866.40/6,399,610.80 = 1,275,661.60/x
  3. Step 3: Cross multiply
    4,267,866.40x = 6,399,610.80 × 1,275,661.60
  4. Step 4: Simplify right side
    4,267,866.40x = 8,163,737,752,505.28
  5. Step 5: Solve for x
    x = 8,163,737,752,505.28/4,267,866.40
  6. Step 6: Final answer
    x = 1,912,838.17

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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.