Home / 2,065,491.90-3,098,529.45-645,399.90

Finding the Fourth Proportional to 2,065,491.90, 3,098,529.45 and 645,399.90

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Solution

The fourth proportional to 2,065,491.90, 3,098,529.45 and 645,399.90 is: 968,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,491.90 : 3,098,529.45 = 645,399.90 : x
  2. Step 2: Convert to fraction form
    2,065,491.90/3,098,529.45 = 645,399.90/x
  3. Step 3: Cross multiply
    2,065,491.90x = 3,098,529.45 × 645,399.90
  4. Step 4: Simplify right side
    2,065,491.90x = 1,999,790,597,177.06
  5. Step 5: Solve for x
    x = 1,999,790,597,177.06/2,065,491.90
  6. Step 6: Final answer
    x = 968,190.97

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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.