Home / 1,930,428.64-2,895,629.96-491,099.70

Finding the Fourth Proportional to 1,930,428.64, 2,895,629.96 and 491,099.70

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Solution

The fourth proportional to 1,930,428.64, 2,895,629.96 and 491,099.70 is: 736,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,428.64 : 2,895,629.96 = 491,099.70 : x
  2. Step 2: Convert to fraction form
    1,930,428.64/2,895,629.96 = 491,099.70/x
  3. Step 3: Cross multiply
    1,930,428.64x = 2,895,629.96 × 491,099.70
  4. Step 4: Simplify right side
    1,930,428.64x = 1,422,043,004,667.01
  5. Step 5: Solve for x
    x = 1,422,043,004,667.01/1,930,428.64
  6. Step 6: Final answer
    x = 736,646.24

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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.