Home / 1,993,127.60-2,989,691.40-928,277.30

Finding the Fourth Proportional to 1,993,127.60, 2,989,691.40 and 928,277.30

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Solution

The fourth proportional to 1,993,127.60, 2,989,691.40 and 928,277.30 is: 1,392,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,127.60 : 2,989,691.40 = 928,277.30 : x
  2. Step 2: Convert to fraction form
    1,993,127.60/2,989,691.40 = 928,277.30/x
  3. Step 3: Cross multiply
    1,993,127.60x = 2,989,691.40 × 928,277.30
  4. Step 4: Simplify right side
    1,993,127.60x = 2,775,262,660,625.22
  5. Step 5: Solve for x
    x = 2,775,262,660,625.22/1,993,127.60
  6. Step 6: Final answer
    x = 1,392,415.95

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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.