Home / 2,614,571.12-3,922,082.60-721,312.56

Finding the Fourth Proportional to 2,614,571.12, 3,922,082.60 and 721,312.56

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Solution

The fourth proportional to 2,614,571.12, 3,922,082.60 and 721,312.56 is: 1,082,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614,571.12 : 3,922,082.60 = 721,312.56 : x
  2. Step 2: Convert to fraction form
    2,614,571.12/3,922,082.60 = 721,312.56/x
  3. Step 3: Cross multiply
    2,614,571.12x = 3,922,082.60 × 721,312.56
  4. Step 4: Simplify right side
    2,614,571.12x = 2,829,047,440,737.46
  5. Step 5: Solve for x
    x = 2,829,047,440,737.46/2,614,571.12
  6. Step 6: Final answer
    x = 1,082,031.17

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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.