Home / 5,120,536.96-7,066,555.68-2,945,080.72

Finding the Fourth Proportional to 5,120,536.96, 7,066,555.68 and 2,945,080.72

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Solution

The fourth proportional to 5,120,536.96, 7,066,555.68 and 2,945,080.72 is: 4,064,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,536.96 : 7,066,555.68 = 2,945,080.72 : x
  2. Step 2: Convert to fraction form
    5,120,536.96/7,066,555.68 = 2,945,080.72/x
  3. Step 3: Cross multiply
    5,120,536.96x = 7,066,555.68 × 2,945,080.72
  4. Step 4: Simplify right side
    5,120,536.96x = 20,811,576,889,974.49
  5. Step 5: Solve for x
    x = 20,811,576,889,974.49/5,120,536.96
  6. Step 6: Final answer
    x = 4,064,334.86

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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.