Finding the Fourth Proportional to 1,625,828.11, 2,242,379.74 and 1,109,997.84
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Solution
The fourth proportional to 1,625,828.11, 2,242,379.74 and 1,109,997.84 is: 1,530,934.70
Step by Step Solution
- Step 1: Write the proportion equation
1,625,828.11 : 2,242,379.74 = 1,109,997.84 : x - Step 2: Convert to fraction form
1,625,828.11/2,242,379.74 = 1,109,997.84/x - Step 3: Cross multiply
1,625,828.11x = 2,242,379.74 × 1,109,997.84 - Step 4: Simplify right side
1,625,828.11x = 2,489,036,667,859.76 - Step 5: Solve for x
x = 2,489,036,667,859.76/1,625,828.11 - Step 6: Final answer
x = 1,530,934.70
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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.