Home / 2,191,370.31-3,284,612.96-911,260.89

Finding the Fourth Proportional to 2,191,370.31, 3,284,612.96 and 911,260.89

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Solution

The fourth proportional to 2,191,370.31, 3,284,612.96 and 911,260.89 is: 1,365,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,370.31 : 3,284,612.96 = 911,260.89 : x
  2. Step 2: Convert to fraction form
    2,191,370.31/3,284,612.96 = 911,260.89/x
  3. Step 3: Cross multiply
    2,191,370.31x = 3,284,612.96 × 911,260.89
  4. Step 4: Simplify right side
    2,191,370.31x = 2,993,139,324,678.83
  5. Step 5: Solve for x
    x = 2,993,139,324,678.83/2,191,370.31
  6. Step 6: Final answer
    x = 1,365,875.64

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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.