Home / 1,678,832.41-2,515,863.93-1,293,123.01

Finding the Fourth Proportional to 1,678,832.41, 2,515,863.93 and 1,293,123.01

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Solution

The fourth proportional to 1,678,832.41, 2,515,863.93 and 1,293,123.01 is: 1,937,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,832.41 : 2,515,863.93 = 1,293,123.01 : x
  2. Step 2: Convert to fraction form
    1,678,832.41/2,515,863.93 = 1,293,123.01/x
  3. Step 3: Cross multiply
    1,678,832.41x = 2,515,863.93 × 1,293,123.01
  4. Step 4: Simplify right side
    1,678,832.41x = 3,253,321,537,912.03
  5. Step 5: Solve for x
    x = 3,253,321,537,912.03/1,678,832.41
  6. Step 6: Final answer
    x = 1,937,847.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.