Home / 5,112,844.74-7,055,720.46-2,821,005.23

Finding the Fourth Proportional to 5,112,844.74, 7,055,720.46 and 2,821,005.23

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Solution

The fourth proportional to 5,112,844.74, 7,055,720.46 and 2,821,005.23 is: 3,892,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,844.74 : 7,055,720.46 = 2,821,005.23 : x
  2. Step 2: Convert to fraction form
    5,112,844.74/7,055,720.46 = 2,821,005.23/x
  3. Step 3: Cross multiply
    5,112,844.74x = 7,055,720.46 × 2,821,005.23
  4. Step 4: Simplify right side
    5,112,844.74x = 19,904,224,283,799.40
  5. Step 5: Solve for x
    x = 19,904,224,283,799.40/5,112,844.74
  6. Step 6: Final answer
    x = 3,892,984.30

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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.