Home / 1,892,726.40-2,839,089.60-993,820.80

Finding the Fourth Proportional to 1,892,726.40, 2,839,089.60 and 993,820.80

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Solution

The fourth proportional to 1,892,726.40, 2,839,089.60 and 993,820.80 is: 1,490,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,726.40 : 2,839,089.60 = 993,820.80 : x
  2. Step 2: Convert to fraction form
    1,892,726.40/2,839,089.60 = 993,820.80/x
  3. Step 3: Cross multiply
    1,892,726.40x = 2,839,089.60 × 993,820.80
  4. Step 4: Simplify right side
    1,892,726.40x = 2,821,546,297,543.68
  5. Step 5: Solve for x
    x = 2,821,546,297,543.68/1,892,726.40
  6. Step 6: Final answer
    x = 1,490,731.20

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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.