Home / 1,887,816.69-2,605,453.61-1,072,223.73

Finding the Fourth Proportional to 1,887,816.69, 2,605,453.61 and 1,072,223.73

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Solution

The fourth proportional to 1,887,816.69, 2,605,453.61 and 1,072,223.73 is: 1,479,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,816.69 : 2,605,453.61 = 1,072,223.73 : x
  2. Step 2: Convert to fraction form
    1,887,816.69/2,605,453.61 = 1,072,223.73/x
  3. Step 3: Cross multiply
    1,887,816.69x = 2,605,453.61 × 1,072,223.73
  4. Step 4: Simplify right side
    1,887,816.69x = 2,793,629,182,695.05
  5. Step 5: Solve for x
    x = 2,793,629,182,695.05/1,887,816.69
  6. Step 6: Final answer
    x = 1,479,820.15

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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.