Home / 3,767,900.76-5,199,839.46-2,158,579.80

Finding the Fourth Proportional to 3,767,900.76, 5,199,839.46 and 2,158,579.80

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Solution

The fourth proportional to 3,767,900.76, 5,199,839.46 and 2,158,579.80 is: 2,978,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767,900.76 : 5,199,839.46 = 2,158,579.80 : x
  2. Step 2: Convert to fraction form
    3,767,900.76/5,199,839.46 = 2,158,579.80/x
  3. Step 3: Cross multiply
    3,767,900.76x = 5,199,839.46 × 2,158,579.80
  4. Step 4: Simplify right side
    3,767,900.76x = 11,224,268,421,598.91
  5. Step 5: Solve for x
    x = 11,224,268,421,598.91/3,767,900.76
  6. Step 6: Final answer
    x = 2,978,918.27

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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.