Home / 2,768,747.60-4,153,121.40-1,275,755.60

Finding the Fourth Proportional to 2,768,747.60, 4,153,121.40 and 1,275,755.60

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Solution

The fourth proportional to 2,768,747.60, 4,153,121.40 and 1,275,755.60 is: 1,913,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,747.60 : 4,153,121.40 = 1,275,755.60 : x
  2. Step 2: Convert to fraction form
    2,768,747.60/4,153,121.40 = 1,275,755.60/x
  3. Step 3: Cross multiply
    2,768,747.60x = 4,153,121.40 × 1,275,755.60
  4. Step 4: Simplify right side
    2,768,747.60x = 5,298,367,883,529.84
  5. Step 5: Solve for x
    x = 5,298,367,883,529.84/2,768,747.60
  6. Step 6: Final answer
    x = 1,913,633.40

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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.