Home / 2,012,123.30-3,018,184.95-664,493.90

Finding the Fourth Proportional to 2,012,123.30, 3,018,184.95 and 664,493.90

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Solution

The fourth proportional to 2,012,123.30, 3,018,184.95 and 664,493.90 is: 996,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,123.30 : 3,018,184.95 = 664,493.90 : x
  2. Step 2: Convert to fraction form
    2,012,123.30/3,018,184.95 = 664,493.90/x
  3. Step 3: Cross multiply
    2,012,123.30x = 3,018,184.95 × 664,493.90
  4. Step 4: Simplify right side
    2,012,123.30x = 2,005,565,488,346.81
  5. Step 5: Solve for x
    x = 2,005,565,488,346.81/2,012,123.30
  6. Step 6: Final answer
    x = 996,740.85

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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.