Home / 2,012,125.30-3,018,187.95-664,495.90

Finding the Fourth Proportional to 2,012,125.30, 3,018,187.95 and 664,495.90

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Solution

The fourth proportional to 2,012,125.30, 3,018,187.95 and 664,495.90 is: 996,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,125.30 : 3,018,187.95 = 664,495.90 : x
  2. Step 2: Convert to fraction form
    2,012,125.30/3,018,187.95 = 664,495.90/x
  3. Step 3: Cross multiply
    2,012,125.30x = 3,018,187.95 × 664,495.90
  4. Step 4: Simplify right side
    2,012,125.30x = 2,005,573,518,204.41
  5. Step 5: Solve for x
    x = 2,005,573,518,204.41/2,012,125.30
  6. Step 6: Final answer
    x = 996,743.85

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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.