Home / 2,771,231.60-4,156,847.40-1,702,809.20

Finding the Fourth Proportional to 2,771,231.60, 4,156,847.40 and 1,702,809.20

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Solution

The fourth proportional to 2,771,231.60, 4,156,847.40 and 1,702,809.20 is: 2,554,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771,231.60 : 4,156,847.40 = 1,702,809.20 : x
  2. Step 2: Convert to fraction form
    2,771,231.60/4,156,847.40 = 1,702,809.20/x
  3. Step 3: Cross multiply
    2,771,231.60x = 4,156,847.40 × 1,702,809.20
  4. Step 4: Simplify right side
    2,771,231.60x = 7,078,317,995,716.08
  5. Step 5: Solve for x
    x = 7,078,317,995,716.08/2,771,231.60
  6. Step 6: Final answer
    x = 2,554,213.80

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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.