Home / 6,444,778.69-8,891,277.42-3,689,993.86

Finding the Fourth Proportional to 6,444,778.69, 8,891,277.42 and 3,689,993.86

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Solution

The fourth proportional to 6,444,778.69, 8,891,277.42 and 3,689,993.86 is: 5,090,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444,778.69 : 8,891,277.42 = 3,689,993.86 : x
  2. Step 2: Convert to fraction form
    6,444,778.69/8,891,277.42 = 3,689,993.86/x
  3. Step 3: Cross multiply
    6,444,778.69x = 8,891,277.42 × 3,689,993.86
  4. Step 4: Simplify right side
    6,444,778.69x = 32,808,759,042,900.25
  5. Step 5: Solve for x
    x = 32,808,759,042,900.25/6,444,778.69
  6. Step 6: Final answer
    x = 5,090,750.30

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1.5x scale

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.