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Finding the Fourth Proportional to 2,801,170.04, 3,867,402.42 and 2,286,154.22

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Solution

The fourth proportional to 2,801,170.04, 3,867,402.42 and 2,286,154.22 is: 3,156,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,170.04 : 3,867,402.42 = 2,286,154.22 : x
  2. Step 2: Convert to fraction form
    2,801,170.04/3,867,402.42 = 2,286,154.22/x
  3. Step 3: Cross multiply
    2,801,170.04x = 3,867,402.42 × 2,286,154.22
  4. Step 4: Simplify right side
    2,801,170.04x = 8,841,478,362,921.21
  5. Step 5: Solve for x
    x = 8,841,478,362,921.21/2,801,170.04
  6. Step 6: Final answer
    x = 3,156,351.89

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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.