Home / 5,175,585.75-7,142,336.04-2,970,272.73

Finding the Fourth Proportional to 5,175,585.75, 7,142,336.04 and 2,970,272.73

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Solution

The fourth proportional to 5,175,585.75, 7,142,336.04 and 2,970,272.73 is: 4,098,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,585.75 : 7,142,336.04 = 2,970,272.73 : x
  2. Step 2: Convert to fraction form
    5,175,585.75/7,142,336.04 = 2,970,272.73/x
  3. Step 3: Cross multiply
    5,175,585.75x = 7,142,336.04 × 2,970,272.73
  4. Step 4: Simplify right side
    5,175,585.75x = 21,214,685,968,108.19
  5. Step 5: Solve for x
    x = 21,214,685,968,108.19/5,175,585.75
  6. Step 6: Final answer
    x = 4,098,992.27

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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.