Home / 2,012,117.30-3,018,175.95-664,487.90

Finding the Fourth Proportional to 2,012,117.30, 3,018,175.95 and 664,487.90

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Solution

The fourth proportional to 2,012,117.30, 3,018,175.95 and 664,487.90 is: 996,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,117.30 : 3,018,175.95 = 664,487.90 : x
  2. Step 2: Convert to fraction form
    2,012,117.30/3,018,175.95 = 664,487.90/x
  3. Step 3: Cross multiply
    2,012,117.30x = 3,018,175.95 × 664,487.90
  4. Step 4: Simplify right side
    2,012,117.30x = 2,005,541,398,846.01
  5. Step 5: Solve for x
    x = 2,005,541,398,846.01/2,012,117.30
  6. Step 6: Final answer
    x = 996,731.85

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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.