Home / 2,784,010.60-4,176,015.90-890,813.80

Finding the Fourth Proportional to 2,784,010.60, 4,176,015.90 and 890,813.80

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Solution

The fourth proportional to 2,784,010.60, 4,176,015.90 and 890,813.80 is: 1,336,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,010.60 : 4,176,015.90 = 890,813.80 : x
  2. Step 2: Convert to fraction form
    2,784,010.60/4,176,015.90 = 890,813.80/x
  3. Step 3: Cross multiply
    2,784,010.60x = 4,176,015.90 × 890,813.80
  4. Step 4: Simplify right side
    2,784,010.60x = 3,720,052,592,739.42
  5. Step 5: Solve for x
    x = 3,720,052,592,739.42/2,784,010.60
  6. Step 6: Final answer
    x = 1,336,220.70

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Similar ratio
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1.5x scale

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.