Home / 2,189,541.70-3,284,312.55-2,065,538.80

Finding the Fourth Proportional to 2,189,541.70, 3,284,312.55 and 2,065,538.80

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Solution

The fourth proportional to 2,189,541.70, 3,284,312.55 and 2,065,538.80 is: 3,098,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,541.70 : 3,284,312.55 = 2,065,538.80 : x
  2. Step 2: Convert to fraction form
    2,189,541.70/3,284,312.55 = 2,065,538.80/x
  3. Step 3: Cross multiply
    2,189,541.70x = 3,284,312.55 × 2,065,538.80
  4. Step 4: Simplify right side
    2,189,541.70x = 6,783,875,003,351.94
  5. Step 5: Solve for x
    x = 6,783,875,003,351.94/2,189,541.70
  6. Step 6: Final answer
    x = 3,098,308.20

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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.