Home / 2,069,658.20-3,108,029.70-1,124,874.20

Finding the Fourth Proportional to 2,069,658.20, 3,108,029.70 and 1,124,874.20

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Solution

The fourth proportional to 2,069,658.20, 3,108,029.70 and 1,124,874.20 is: 1,689,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,658.20 : 3,108,029.70 = 1,124,874.20 : x
  2. Step 2: Convert to fraction form
    2,069,658.20/3,108,029.70 = 1,124,874.20/x
  3. Step 3: Cross multiply
    2,069,658.20x = 3,108,029.70 × 1,124,874.20
  4. Step 4: Simplify right side
    2,069,658.20x = 3,496,142,422,363.74
  5. Step 5: Solve for x
    x = 3,496,142,422,363.74/2,069,658.20
  6. Step 6: Final answer
    x = 1,689,236.62

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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.