Home / 5,120,538.46-7,066,557.75-2,945,082.22

Finding the Fourth Proportional to 5,120,538.46, 7,066,557.75 and 2,945,082.22

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Solution

The fourth proportional to 5,120,538.46, 7,066,557.75 and 2,945,082.22 is: 4,064,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,538.46 : 7,066,557.75 = 2,945,082.22 : x
  2. Step 2: Convert to fraction form
    5,120,538.46/7,066,557.75 = 2,945,082.22/x
  3. Step 3: Cross multiply
    5,120,538.46x = 7,066,557.75 × 2,945,082.22
  4. Step 4: Simplify right side
    5,120,538.46x = 20,811,593,586,128.21
  5. Step 5: Solve for x
    x = 20,811,593,586,128.21/5,120,538.46
  6. Step 6: Final answer
    x = 4,064,336.93

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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.