Home / 3,761,017-5,190,203.46-2,151,385

Finding the Fourth Proportional to 3,761,017, 5,190,203.46 and 2,151,385

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Solution

The fourth proportional to 3,761,017, 5,190,203.46 and 2,151,385 is: 2,968,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761,017 : 5,190,203.46 = 2,151,385 : x
  2. Step 2: Convert to fraction form
    3,761,017/5,190,203.46 = 2,151,385/x
  3. Step 3: Cross multiply
    3,761,017x = 5,190,203.46 × 2,151,385
  4. Step 4: Simplify right side
    3,761,017x = 11,166,125,870,792.10
  5. Step 5: Solve for x
    x = 11,166,125,870,792.10/3,761,017
  6. Step 6: Final answer
    x = 2,968,911.30

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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.