Home / 1,929,165.09-2,661,704.87-1,519,998.45

Finding the Fourth Proportional to 1,929,165.09, 2,661,704.87 and 1,519,998.45

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Solution

The fourth proportional to 1,929,165.09, 2,661,704.87 and 1,519,998.45 is: 2,097,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,165.09 : 2,661,704.87 = 1,519,998.45 : x
  2. Step 2: Convert to fraction form
    1,929,165.09/2,661,704.87 = 1,519,998.45/x
  3. Step 3: Cross multiply
    1,929,165.09x = 2,661,704.87 × 1,519,998.45
  4. Step 4: Simplify right side
    1,929,165.09x = 4,045,787,269,157.46
  5. Step 5: Solve for x
    x = 4,045,787,269,157.46/1,929,165.09
  6. Step 6: Final answer
    x = 2,097,170.06

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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.