Home / 2,018,917.47-3,028,366.47-1,918,004.43

Finding the Fourth Proportional to 2,018,917.47, 3,028,366.47 and 1,918,004.43

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Solution

The fourth proportional to 2,018,917.47, 3,028,366.47 and 1,918,004.43 is: 2,876,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,917.47 : 3,028,366.47 = 1,918,004.43 : x
  2. Step 2: Convert to fraction form
    2,018,917.47/3,028,366.47 = 1,918,004.43/x
  3. Step 3: Cross multiply
    2,018,917.47x = 3,028,366.47 × 1,918,004.43
  4. Step 4: Simplify right side
    2,018,917.47x = 5,808,420,305,123.46
  5. Step 5: Solve for x
    x = 5,808,420,305,123.46/2,018,917.47
  6. Step 6: Final answer
    x = 2,876,997.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.