Home / 5,120,517.96-7,066,529.48-2,945,061.72

Finding the Fourth Proportional to 5,120,517.96, 7,066,529.48 and 2,945,061.72

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Solution

The fourth proportional to 5,120,517.96, 7,066,529.48 and 2,945,061.72 is: 4,064,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,517.96 : 7,066,529.48 = 2,945,061.72 : x
  2. Step 2: Convert to fraction form
    5,120,517.96/7,066,529.48 = 2,945,061.72/x
  3. Step 3: Cross multiply
    5,120,517.96x = 7,066,529.48 × 2,945,061.72
  4. Step 4: Simplify right side
    5,120,517.96x = 20,811,365,464,799.51
  5. Step 5: Solve for x
    x = 20,811,365,464,799.51/5,120,517.96
  6. Step 6: Final answer
    x = 4,064,308.66

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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.