Home / 2,104,318.94-3,156,936.29-645,366.17

Finding the Fourth Proportional to 2,104,318.94, 3,156,936.29 and 645,366.17

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Solution

The fourth proportional to 2,104,318.94, 3,156,936.29 and 645,366.17 is: 968,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104,318.94 : 3,156,936.29 = 645,366.17 : x
  2. Step 2: Convert to fraction form
    2,104,318.94/3,156,936.29 = 645,366.17/x
  3. Step 3: Cross multiply
    2,104,318.94x = 3,156,936.29 × 645,366.17
  4. Step 4: Simplify right side
    2,104,318.94x = 2,037,379,863,399.80
  5. Step 5: Solve for x
    x = 2,037,379,863,399.80/2,104,318.94
  6. Step 6: Final answer
    x = 968,189.67

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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.