Home / 1,642,221.06-2,266,220.91-917,048.58

Finding the Fourth Proportional to 1,642,221.06, 2,266,220.91 and 917,048.58

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Solution

The fourth proportional to 1,642,221.06, 2,266,220.91 and 917,048.58 is: 1,265,502.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,221.06 : 2,266,220.91 = 917,048.58 : x
  2. Step 2: Convert to fraction form
    1,642,221.06/2,266,220.91 = 917,048.58/x
  3. Step 3: Cross multiply
    1,642,221.06x = 2,266,220.91 × 917,048.58
  4. Step 4: Simplify right side
    1,642,221.06x = 2,078,234,667,481.81
  5. Step 5: Solve for x
    x = 2,078,234,667,481.81/1,642,221.06
  6. Step 6: Final answer
    x = 1,265,502.38

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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.