Home / 1,647,834.03-2,470,192.20-1,242,396.63

Finding the Fourth Proportional to 1,647,834.03, 2,470,192.20 and 1,242,396.63

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Solution

The fourth proportional to 1,647,834.03, 2,470,192.20 and 1,242,396.63 is: 1,862,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,834.03 : 2,470,192.20 = 1,242,396.63 : x
  2. Step 2: Convert to fraction form
    1,647,834.03/2,470,192.20 = 1,242,396.63/x
  3. Step 3: Cross multiply
    1,647,834.03x = 2,470,192.20 × 1,242,396.63
  4. Step 4: Simplify right side
    1,647,834.03x = 3,068,958,464,732.29
  5. Step 5: Solve for x
    x = 3,068,958,464,732.29/1,647,834.03
  6. Step 6: Final answer
    x = 1,862,419.64

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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.