Home / 3,391,104.76-4,678,567.14-2,101,474.60

Finding the Fourth Proportional to 3,391,104.76, 4,678,567.14 and 2,101,474.60

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Solution

The fourth proportional to 3,391,104.76, 4,678,567.14 and 2,101,474.60 is: 2,899,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,104.76 : 4,678,567.14 = 2,101,474.60 : x
  2. Step 2: Convert to fraction form
    3,391,104.76/4,678,567.14 = 2,101,474.60/x
  3. Step 3: Cross multiply
    3,391,104.76x = 4,678,567.14 × 2,101,474.60
  4. Step 4: Simplify right side
    3,391,104.76x = 9,831,890,009,104.65
  5. Step 5: Solve for x
    x = 9,831,890,009,104.65/3,391,104.76
  6. Step 6: Final answer
    x = 2,899,317.69

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Double scale
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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.