Home / 2,057,912.10-3,081,619.35-1,638,008.10

Finding the Fourth Proportional to 2,057,912.10, 3,081,619.35 and 1,638,008.10

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Solution

The fourth proportional to 2,057,912.10, 3,081,619.35 and 1,638,008.10 is: 2,452,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,912.10 : 3,081,619.35 = 1,638,008.10 : x
  2. Step 2: Convert to fraction form
    2,057,912.10/3,081,619.35 = 1,638,008.10/x
  3. Step 3: Cross multiply
    2,057,912.10x = 3,081,619.35 × 1,638,008.10
  4. Step 4: Simplify right side
    2,057,912.10x = 5,047,717,456,416.74
  5. Step 5: Solve for x
    x = 5,047,717,456,416.74/2,057,912.10
  6. Step 6: Final answer
    x = 2,452,834.33

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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.