Home / 2,754,639.46-4,131,803.67-861,157.54

Finding the Fourth Proportional to 2,754,639.46, 4,131,803.67 and 861,157.54

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Solution

The fourth proportional to 2,754,639.46, 4,131,803.67 and 861,157.54 is: 1,291,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,639.46 : 4,131,803.67 = 861,157.54 : x
  2. Step 2: Convert to fraction form
    2,754,639.46/4,131,803.67 = 861,157.54/x
  3. Step 3: Cross multiply
    2,754,639.46x = 4,131,803.67 × 861,157.54
  4. Step 4: Simplify right side
    2,754,639.46x = 3,558,133,884,220.17
  5. Step 5: Solve for x
    x = 3,558,133,884,220.17/2,754,639.46
  6. Step 6: Final answer
    x = 1,291,687.69

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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.