Home / 1,887,714.30-2,605,032.36-1,028,274.54

Finding the Fourth Proportional to 1,887,714.30, 2,605,032.36 and 1,028,274.54

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Solution

The fourth proportional to 1,887,714.30, 2,605,032.36 and 1,028,274.54 is: 1,419,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,714.30 : 2,605,032.36 = 1,028,274.54 : x
  2. Step 2: Convert to fraction form
    1,887,714.30/2,605,032.36 = 1,028,274.54/x
  3. Step 3: Cross multiply
    1,887,714.30x = 2,605,032.36 × 1,028,274.54
  4. Step 4: Simplify right side
    1,887,714.30x = 2,678,688,451,664.11
  5. Step 5: Solve for x
    x = 2,678,688,451,664.11/1,887,714.30
  6. Step 6: Final answer
    x = 1,419,011.58

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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.