Home / 1,887,877.58-2,605,247.54-1,028,419.38

Finding the Fourth Proportional to 1,887,877.58, 2,605,247.54 and 1,028,419.38

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Solution

The fourth proportional to 1,887,877.58, 2,605,247.54 and 1,028,419.38 is: 1,419,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,877.58 : 2,605,247.54 = 1,028,419.38 : x
  2. Step 2: Convert to fraction form
    1,887,877.58/2,605,247.54 = 1,028,419.38/x
  3. Step 3: Cross multiply
    1,887,877.58x = 2,605,247.54 × 1,028,419.38
  4. Step 4: Simplify right side
    1,887,877.58x = 2,679,287,059,833.33
  5. Step 5: Solve for x
    x = 2,679,287,059,833.33/1,887,877.58
  6. Step 6: Final answer
    x = 1,419,205.93

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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.