Home / 2,099,694.80-3,151,097.40-838,427.60

Finding the Fourth Proportional to 2,099,694.80, 3,151,097.40 and 838,427.60

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Solution

The fourth proportional to 2,099,694.80, 3,151,097.40 and 838,427.60 is: 1,258,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,694.80 : 3,151,097.40 = 838,427.60 : x
  2. Step 2: Convert to fraction form
    2,099,694.80/3,151,097.40 = 838,427.60/x
  3. Step 3: Cross multiply
    2,099,694.80x = 3,151,097.40 × 838,427.60
  4. Step 4: Simplify right side
    2,099,694.80x = 2,641,967,030,448.24
  5. Step 5: Solve for x
    x = 2,641,967,030,448.24/2,099,694.80
  6. Step 6: Final answer
    x = 1,258,262.41

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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.