Home / 2,798,138.40-4,197,207.60-1,001,162.85

Finding the Fourth Proportional to 2,798,138.40, 4,197,207.60 and 1,001,162.85

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Solution

The fourth proportional to 2,798,138.40, 4,197,207.60 and 1,001,162.85 is: 1,501,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,138.40 : 4,197,207.60 = 1,001,162.85 : x
  2. Step 2: Convert to fraction form
    2,798,138.40/4,197,207.60 = 1,001,162.85/x
  3. Step 3: Cross multiply
    2,798,138.40x = 4,197,207.60 × 1,001,162.85
  4. Step 4: Simplify right side
    2,798,138.40x = 4,202,088,322,857.66
  5. Step 5: Solve for x
    x = 4,202,088,322,857.66/2,798,138.40
  6. Step 6: Final answer
    x = 1,501,744.28

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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.