Home / 3,543,784.40-4,890,889.80-2,015,596.40

Finding the Fourth Proportional to 3,543,784.40, 4,890,889.80 and 2,015,596.40

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Solution

The fourth proportional to 3,543,784.40, 4,890,889.80 and 2,015,596.40 is: 2,781,788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543,784.40 : 4,890,889.80 = 2,015,596.40 : x
  2. Step 2: Convert to fraction form
    3,543,784.40/4,890,889.80 = 2,015,596.40/x
  3. Step 3: Cross multiply
    3,543,784.40x = 4,890,889.80 × 2,015,596.40
  4. Step 4: Simplify right side
    3,543,784.40x = 9,858,059,873,676.72
  5. Step 5: Solve for x
    x = 9,858,059,873,676.72/3,543,784.40
  6. Step 6: Final answer
    x = 2,781,788.83

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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.