Home / 1,887,716.31-2,605,035.12-1,028,276.55

Finding the Fourth Proportional to 1,887,716.31, 2,605,035.12 and 1,028,276.55

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Solution

The fourth proportional to 1,887,716.31, 2,605,035.12 and 1,028,276.55 is: 1,419,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,716.31 : 2,605,035.12 = 1,028,276.55 : x
  2. Step 2: Convert to fraction form
    1,887,716.31/2,605,035.12 = 1,028,276.55/x
  3. Step 3: Cross multiply
    1,887,716.31x = 2,605,035.12 × 1,028,276.55
  4. Step 4: Simplify right side
    1,887,716.31x = 2,678,696,525,822.44
  5. Step 5: Solve for x
    x = 2,678,696,525,822.44/1,887,716.31
  6. Step 6: Final answer
    x = 1,419,014.35

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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.