Home / 2,166,573.45-2,989,834.83-1,199,682.98

Finding the Fourth Proportional to 2,166,573.45, 2,989,834.83 and 1,199,682.98

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Solution

The fourth proportional to 2,166,573.45, 2,989,834.83 and 1,199,682.98 is: 1,655,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,573.45 : 2,989,834.83 = 1,199,682.98 : x
  2. Step 2: Convert to fraction form
    2,166,573.45/2,989,834.83 = 1,199,682.98/x
  3. Step 3: Cross multiply
    2,166,573.45x = 2,989,834.83 × 1,199,682.98
  4. Step 4: Simplify right side
    2,166,573.45x = 3,586,853,958,562.19
  5. Step 5: Solve for x
    x = 3,586,853,958,562.19/2,166,573.45
  6. Step 6: Final answer
    x = 1,655,542.28

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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.