Home / 2,788,617.60-4,181,863.68-1,191,919.68

Finding the Fourth Proportional to 2,788,617.60, 4,181,863.68 and 1,191,919.68

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Solution

The fourth proportional to 2,788,617.60, 4,181,863.68 and 1,191,919.68 is: 1,787,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,617.60 : 4,181,863.68 = 1,191,919.68 : x
  2. Step 2: Convert to fraction form
    2,788,617.60/4,181,863.68 = 1,191,919.68/x
  3. Step 3: Cross multiply
    2,788,617.60x = 4,181,863.68 × 1,191,919.68
  4. Step 4: Simplify right side
    2,788,617.60x = 4,984,445,619,269.22
  5. Step 5: Solve for x
    x = 4,984,445,619,269.22/2,788,617.60
  6. Step 6: Final answer
    x = 1,787,425.29

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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.