Home / 2,883,115-3,978,037.33-1,721,334.88

Finding the Fourth Proportional to 2,883,115, 3,978,037.33 and 1,721,334.88

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Solution

The fourth proportional to 2,883,115, 3,978,037.33 and 1,721,334.88 is: 2,375,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883,115 : 3,978,037.33 = 1,721,334.88 : x
  2. Step 2: Convert to fraction form
    2,883,115/3,978,037.33 = 1,721,334.88/x
  3. Step 3: Cross multiply
    2,883,115x = 3,978,037.33 × 1,721,334.88
  4. Step 4: Simplify right side
    2,883,115x = 6,847,534,410,071.07
  5. Step 5: Solve for x
    x = 6,847,534,410,071.07/2,883,115
  6. Step 6: Final answer
    x = 2,375,047.27

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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.