Home / 5,565,857.69-7,680,749.67-3,118,571.89

Finding the Fourth Proportional to 5,565,857.69, 7,680,749.67 and 3,118,571.89

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Solution

The fourth proportional to 5,565,857.69, 7,680,749.67 and 3,118,571.89 is: 4,303,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565,857.69 : 7,680,749.67 = 3,118,571.89 : x
  2. Step 2: Convert to fraction form
    5,565,857.69/7,680,749.67 = 3,118,571.89/x
  3. Step 3: Cross multiply
    5,565,857.69x = 7,680,749.67 × 3,118,571.89
  4. Step 4: Simplify right side
    5,565,857.69x = 23,952,969,995,786.90
  5. Step 5: Solve for x
    x = 23,952,969,995,786.90/5,565,857.69
  6. Step 6: Final answer
    x = 4,303,554.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.