Home / 2,015,235.25-2,780,898.60-1,109,817.25

Finding the Fourth Proportional to 2,015,235.25, 2,780,898.60 and 1,109,817.25

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Solution

The fourth proportional to 2,015,235.25, 2,780,898.60 and 1,109,817.25 is: 1,531,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,235.25 : 2,780,898.60 = 1,109,817.25 : x
  2. Step 2: Convert to fraction form
    2,015,235.25/2,780,898.60 = 1,109,817.25/x
  3. Step 3: Cross multiply
    2,015,235.25x = 2,780,898.60 × 1,109,817.25
  4. Step 4: Simplify right side
    2,015,235.25x = 3,086,289,236,780.85
  5. Step 5: Solve for x
    x = 3,086,289,236,780.85/2,015,235.25
  6. Step 6: Final answer
    x = 1,531,478.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.