Home / 1,993,091-2,989,636.50-646,380.14

Finding the Fourth Proportional to 1,993,091, 2,989,636.50 and 646,380.14

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Solution

The fourth proportional to 1,993,091, 2,989,636.50 and 646,380.14 is: 969,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,091 : 2,989,636.50 = 646,380.14 : x
  2. Step 2: Convert to fraction form
    1,993,091/2,989,636.50 = 646,380.14/x
  3. Step 3: Cross multiply
    1,993,091x = 2,989,636.50 × 646,380.14
  4. Step 4: Simplify right side
    1,993,091x = 1,932,441,659,419.11
  5. Step 5: Solve for x
    x = 1,932,441,659,419.11/1,993,091
  6. Step 6: Final answer
    x = 969,570.21

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Similar ratio
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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.