Home / 1,807,586.45-2,494,515.20-991,789.91

Finding the Fourth Proportional to 1,807,586.45, 2,494,515.20 and 991,789.91

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Solution

The fourth proportional to 1,807,586.45, 2,494,515.20 and 991,789.91 is: 1,368,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,586.45 : 2,494,515.20 = 991,789.91 : x
  2. Step 2: Convert to fraction form
    1,807,586.45/2,494,515.20 = 991,789.91/x
  3. Step 3: Cross multiply
    1,807,586.45x = 2,494,515.20 × 991,789.91
  4. Step 4: Simplify right side
    1,807,586.45x = 2,474,035,011,299.25
  5. Step 5: Solve for x
    x = 2,474,035,011,299.25/1,807,586.45
  6. Step 6: Final answer
    x = 1,368,695.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.