Home / 1,789,711.92-2,684,565-1,227,040.56

Finding the Fourth Proportional to 1,789,711.92, 2,684,565 and 1,227,040.56

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Solution

The fourth proportional to 1,789,711.92, 2,684,565 and 1,227,040.56 is: 1,840,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,711.92 : 2,684,565 = 1,227,040.56 : x
  2. Step 2: Convert to fraction form
    1,789,711.92/2,684,565 = 1,227,040.56/x
  3. Step 3: Cross multiply
    1,789,711.92x = 2,684,565 × 1,227,040.56
  4. Step 4: Simplify right side
    1,789,711.92x = 3,294,070,140,956.40
  5. Step 5: Solve for x
    x = 3,294,070,140,956.40/1,789,711.92
  6. Step 6: Final answer
    x = 1,840,558.87

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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.