Home / 2,571,731.46-3,857,757.54-678,474.72

Finding the Fourth Proportional to 2,571,731.46, 3,857,757.54 and 678,474.72

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Solution

The fourth proportional to 2,571,731.46, 3,857,757.54 and 678,474.72 is: 1,017,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,731.46 : 3,857,757.54 = 678,474.72 : x
  2. Step 2: Convert to fraction form
    2,571,731.46/3,857,757.54 = 678,474.72/x
  3. Step 3: Cross multiply
    2,571,731.46x = 3,857,757.54 × 678,474.72
  4. Step 4: Simplify right side
    2,571,731.46x = 2,617,390,966,779.39
  5. Step 5: Solve for x
    x = 2,617,390,966,779.39/2,571,731.46
  6. Step 6: Final answer
    x = 1,017,754.38

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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.