Home / 2,811,659.40-4,217,489.10-2,059,633.80

Finding the Fourth Proportional to 2,811,659.40, 4,217,489.10 and 2,059,633.80

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Solution

The fourth proportional to 2,811,659.40, 4,217,489.10 and 2,059,633.80 is: 3,089,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,659.40 : 4,217,489.10 = 2,059,633.80 : x
  2. Step 2: Convert to fraction form
    2,811,659.40/4,217,489.10 = 2,059,633.80/x
  3. Step 3: Cross multiply
    2,811,659.40x = 4,217,489.10 × 2,059,633.80
  4. Step 4: Simplify right side
    2,811,659.40x = 8,686,483,101,491.58
  5. Step 5: Solve for x
    x = 8,686,483,101,491.58/2,811,659.40
  6. Step 6: Final answer
    x = 3,089,450.70

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Double scale
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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.