Home / 6,567,640.80-9,846,212.40-2,778,007.20

Finding the Fourth Proportional to 6,567,640.80, 9,846,212.40 and 2,778,007.20

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Solution

The fourth proportional to 6,567,640.80, 9,846,212.40 and 2,778,007.20 is: 4,164,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,567,640.80 : 9,846,212.40 = 2,778,007.20 : x
  2. Step 2: Convert to fraction form
    6,567,640.80/9,846,212.40 = 2,778,007.20/x
  3. Step 3: Cross multiply
    6,567,640.80x = 9,846,212.40 × 2,778,007.20
  4. Step 4: Simplify right side
    6,567,640.80x = 27,352,848,939,929.28
  5. Step 5: Solve for x
    x = 27,352,848,939,929.28/6,567,640.80
  6. Step 6: Final answer
    x = 4,164,790.64

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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.