Home / 2,788,971.57-4,185,226.97-1,191,546.75

Finding the Fourth Proportional to 2,788,971.57, 4,185,226.97 and 1,191,546.75

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Solution

The fourth proportional to 2,788,971.57, 4,185,226.97 and 1,191,546.75 is: 1,788,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,971.57 : 4,185,226.97 = 1,191,546.75 : x
  2. Step 2: Convert to fraction form
    2,788,971.57/4,185,226.97 = 1,191,546.75/x
  3. Step 3: Cross multiply
    2,788,971.57x = 4,185,226.97 × 1,191,546.75
  4. Step 4: Simplify right side
    2,788,971.57x = 4,986,893,588,158.11
  5. Step 5: Solve for x
    x = 4,986,893,588,158.11/2,788,971.57
  6. Step 6: Final answer
    x = 1,788,076.16

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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.