Home / 2,783,680.12-4,174,000.62-838,124.92

Finding the Fourth Proportional to 2,783,680.12, 4,174,000.62 and 838,124.92

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Solution

The fourth proportional to 2,783,680.12, 4,174,000.62 and 838,124.92 is: 1,256,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,680.12 : 4,174,000.62 = 838,124.92 : x
  2. Step 2: Convert to fraction form
    2,783,680.12/4,174,000.62 = 838,124.92/x
  3. Step 3: Cross multiply
    2,783,680.12x = 4,174,000.62 × 838,124.92
  4. Step 4: Simplify right side
    2,783,680.12x = 3,498,333,935,717.45
  5. Step 5: Solve for x
    x = 3,498,333,935,717.45/2,783,680.12
  6. Step 6: Final answer
    x = 1,256,729.86

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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.