Home / 1,945,405.92-2,684,702.70-1,074,238.68

Finding the Fourth Proportional to 1,945,405.92, 2,684,702.70 and 1,074,238.68

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Solution

The fourth proportional to 1,945,405.92, 2,684,702.70 and 1,074,238.68 is: 1,482,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,405.92 : 2,684,702.70 = 1,074,238.68 : x
  2. Step 2: Convert to fraction form
    1,945,405.92/2,684,702.70 = 1,074,238.68/x
  3. Step 3: Cross multiply
    1,945,405.92x = 2,684,702.70 × 1,074,238.68
  4. Step 4: Simplify right side
    1,945,405.92x = 2,884,011,484,640.44
  5. Step 5: Solve for x
    x = 2,884,011,484,640.44/1,945,405.92
  6. Step 6: Final answer
    x = 1,482,472.86

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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.