Home / 2,122,815.34-2,928,715.80-1,204,512.67

Finding the Fourth Proportional to 2,122,815.34, 2,928,715.80 and 1,204,512.67

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Solution

The fourth proportional to 2,122,815.34, 2,928,715.80 and 1,204,512.67 is: 1,661,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,815.34 : 2,928,715.80 = 1,204,512.67 : x
  2. Step 2: Convert to fraction form
    2,122,815.34/2,928,715.80 = 1,204,512.67/x
  3. Step 3: Cross multiply
    2,122,815.34x = 2,928,715.80 × 1,204,512.67
  4. Step 4: Simplify right side
    2,122,815.34x = 3,527,675,273,285.61
  5. Step 5: Solve for x
    x = 3,527,675,273,285.61/2,122,815.34
  6. Step 6: Final answer
    x = 1,661,790.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.