Home / 1,346,655.20-2,019,982.80-1,222,652.30

Finding the Fourth Proportional to 1,346,655.20, 2,019,982.80 and 1,222,652.30

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Solution

The fourth proportional to 1,346,655.20, 2,019,982.80 and 1,222,652.30 is: 1,833,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,655.20 : 2,019,982.80 = 1,222,652.30 : x
  2. Step 2: Convert to fraction form
    1,346,655.20/2,019,982.80 = 1,222,652.30/x
  3. Step 3: Cross multiply
    1,346,655.20x = 2,019,982.80 × 1,222,652.30
  4. Step 4: Simplify right side
    1,346,655.20x = 2,469,736,616,380.44
  5. Step 5: Solve for x
    x = 2,469,736,616,380.44/1,346,655.20
  6. Step 6: Final answer
    x = 1,833,978.45

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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.