Home / 5,378,671.70-8,068,007.55-2,012,441.30

Finding the Fourth Proportional to 5,378,671.70, 8,068,007.55 and 2,012,441.30

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Solution

The fourth proportional to 5,378,671.70, 8,068,007.55 and 2,012,441.30 is: 3,018,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,671.70 : 8,068,007.55 = 2,012,441.30 : x
  2. Step 2: Convert to fraction form
    5,378,671.70/8,068,007.55 = 2,012,441.30/x
  3. Step 3: Cross multiply
    5,378,671.70x = 8,068,007.55 × 2,012,441.30
  4. Step 4: Simplify right side
    5,378,671.70x = 16,236,391,602,331.81
  5. Step 5: Solve for x
    x = 16,236,391,602,331.81/5,378,671.70
  6. Step 6: Final answer
    x = 3,018,661.95

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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.