Home / 5,172,714-7,137,834.12-2,881,087.92

Finding the Fourth Proportional to 5,172,714, 7,137,834.12 and 2,881,087.92

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Solution

The fourth proportional to 5,172,714, 7,137,834.12 and 2,881,087.92 is: 3,975,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,714 : 7,137,834.12 = 2,881,087.92 : x
  2. Step 2: Convert to fraction form
    5,172,714/7,137,834.12 = 2,881,087.92/x
  3. Step 3: Cross multiply
    5,172,714x = 7,137,834.12 × 2,881,087.92
  4. Step 4: Simplify right side
    5,172,714x = 20,564,727,658,095.83
  5. Step 5: Solve for x
    x = 20,564,727,658,095.83/5,172,714
  6. Step 6: Final answer
    x = 3,975,616.60

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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.