Home / 1,887,713.30-2,605,030.98-1,028,273.54

Finding the Fourth Proportional to 1,887,713.30, 2,605,030.98 and 1,028,273.54

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Solution

The fourth proportional to 1,887,713.30, 2,605,030.98 and 1,028,273.54 is: 1,419,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,713.30 : 2,605,030.98 = 1,028,273.54 : x
  2. Step 2: Convert to fraction form
    1,887,713.30/2,605,030.98 = 1,028,273.54/x
  3. Step 3: Cross multiply
    1,887,713.30x = 2,605,030.98 × 1,028,273.54
  4. Step 4: Simplify right side
    1,887,713.30x = 2,678,684,410,733.09
  5. Step 5: Solve for x
    x = 2,678,684,410,733.09/1,887,713.30
  6. Step 6: Final answer
    x = 1,419,010.19

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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.