Home / 1,923,934.80-2,883,998.70-911,276.85

Finding the Fourth Proportional to 1,923,934.80, 2,883,998.70 and 911,276.85

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Solution

The fourth proportional to 1,923,934.80, 2,883,998.70 and 911,276.85 is: 1,366,013.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,934.80 : 2,883,998.70 = 911,276.85 : x
  2. Step 2: Convert to fraction form
    1,923,934.80/2,883,998.70 = 911,276.85/x
  3. Step 3: Cross multiply
    1,923,934.80x = 2,883,998.70 × 911,276.85
  4. Step 4: Simplify right side
    1,923,934.80x = 2,628,121,250,740.10
  5. Step 5: Solve for x
    x = 2,628,121,250,740.10/1,923,934.80
  6. Step 6: Final answer
    x = 1,366,013.68

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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.