Home / 1,910,971.56-2,866,557.78-491,037.24

Finding the Fourth Proportional to 1,910,971.56, 2,866,557.78 and 491,037.24

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Solution

The fourth proportional to 1,910,971.56, 2,866,557.78 and 491,037.24 is: 736,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,971.56 : 2,866,557.78 = 491,037.24 : x
  2. Step 2: Convert to fraction form
    1,910,971.56/2,866,557.78 = 491,037.24/x
  3. Step 3: Cross multiply
    1,910,971.56x = 2,866,557.78 × 491,037.24
  4. Step 4: Simplify right side
    1,910,971.56x = 1,407,586,620,591.73
  5. Step 5: Solve for x
    x = 1,407,586,620,591.73/1,910,971.56
  6. Step 6: Final answer
    x = 736,581.67

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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.