Home / 1,898,571.17-2,620,008.25-1,027,386.79

Finding the Fourth Proportional to 1,898,571.17, 2,620,008.25 and 1,027,386.79

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Solution

The fourth proportional to 1,898,571.17, 2,620,008.25 and 1,027,386.79 is: 1,417,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,571.17 : 2,620,008.25 = 1,027,386.79 : x
  2. Step 2: Convert to fraction form
    1,898,571.17/2,620,008.25 = 1,027,386.79/x
  3. Step 3: Cross multiply
    1,898,571.17x = 2,620,008.25 × 1,027,386.79
  4. Step 4: Simplify right side
    1,898,571.17x = 2,691,761,856,622.53
  5. Step 5: Solve for x
    x = 2,691,761,856,622.53/1,898,571.17
  6. Step 6: Final answer
    x = 1,417,782.97

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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.