Home / 1,989,122.04-2,983,661.04-1,190,626.44

Finding the Fourth Proportional to 1,989,122.04, 2,983,661.04 and 1,190,626.44

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Solution

The fourth proportional to 1,989,122.04, 2,983,661.04 and 1,190,626.44 is: 1,785,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,122.04 : 2,983,661.04 = 1,190,626.44 : x
  2. Step 2: Convert to fraction form
    1,989,122.04/2,983,661.04 = 1,190,626.44/x
  3. Step 3: Cross multiply
    1,989,122.04x = 2,983,661.04 × 1,190,626.44
  4. Step 4: Simplify right side
    1,989,122.04x = 3,552,425,722,221.90
  5. Step 5: Solve for x
    x = 3,552,425,722,221.90/1,989,122.04
  6. Step 6: Final answer
    x = 1,785,926.48

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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.