Home / 1,583,389.70-2,185,311.26-1,002,665.85

Finding the Fourth Proportional to 1,583,389.70, 2,185,311.26 and 1,002,665.85

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Solution

The fourth proportional to 1,583,389.70, 2,185,311.26 and 1,002,665.85 is: 1,383,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,389.70 : 2,185,311.26 = 1,002,665.85 : x
  2. Step 2: Convert to fraction form
    1,583,389.70/2,185,311.26 = 1,002,665.85/x
  3. Step 3: Cross multiply
    1,583,389.70x = 2,185,311.26 × 1,002,665.85
  4. Step 4: Simplify right side
    1,583,389.70x = 2,191,136,972,022.47
  5. Step 5: Solve for x
    x = 2,191,136,972,022.47/1,583,389.70
  6. Step 6: Final answer
    x = 1,383,826.72

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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.