Home / 1,993,008.60-2,989,512.90-1,839,043.80

Finding the Fourth Proportional to 1,993,008.60, 2,989,512.90 and 1,839,043.80

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Solution

The fourth proportional to 1,993,008.60, 2,989,512.90 and 1,839,043.80 is: 2,758,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,008.60 : 2,989,512.90 = 1,839,043.80 : x
  2. Step 2: Convert to fraction form
    1,993,008.60/2,989,512.90 = 1,839,043.80/x
  3. Step 3: Cross multiply
    1,993,008.60x = 2,989,512.90 × 1,839,043.80
  4. Step 4: Simplify right side
    1,993,008.60x = 5,497,845,163,765.02
  5. Step 5: Solve for x
    x = 5,497,845,163,765.02/1,993,008.60
  6. Step 6: Final answer
    x = 2,758,565.70

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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.