Home / 1,937,367.80-2,906,305.62-640,089.20

Finding the Fourth Proportional to 1,937,367.80, 2,906,305.62 and 640,089.20

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Solution

The fourth proportional to 1,937,367.80, 2,906,305.62 and 640,089.20 is: 960,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,367.80 : 2,906,305.62 = 640,089.20 : x
  2. Step 2: Convert to fraction form
    1,937,367.80/2,906,305.62 = 640,089.20/x
  3. Step 3: Cross multiply
    1,937,367.80x = 2,906,305.62 × 640,089.20
  4. Step 4: Simplify right side
    1,937,367.80x = 1,860,294,839,261.30
  5. Step 5: Solve for x
    x = 1,860,294,839,261.30/1,937,367.80
  6. Step 6: Final answer
    x = 960,217.69

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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.