Home / 2,571,516.56-3,857,534.04-678,388.88

Finding the Fourth Proportional to 2,571,516.56, 3,857,534.04 and 678,388.88

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Solution

The fourth proportional to 2,571,516.56, 3,857,534.04 and 678,388.88 is: 1,017,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,516.56 : 3,857,534.04 = 678,388.88 : x
  2. Step 2: Convert to fraction form
    2,571,516.56/3,857,534.04 = 678,388.88/x
  3. Step 3: Cross multiply
    2,571,516.56x = 3,857,534.04 × 678,388.88
  4. Step 4: Simplify right side
    2,571,516.56x = 2,616,908,196,957.48
  5. Step 5: Solve for x
    x = 2,616,908,196,957.48/2,571,516.56
  6. Step 6: Final answer
    x = 1,017,651.70

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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.