Finding the Fourth Proportional to 3,212,805.22, 4,433,644.96 and 1,742,710.09
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Solution
The fourth proportional to 3,212,805.22, 4,433,644.96 and 1,742,710.09 is: 2,404,925.68
Step by Step Solution
- Step 1: Write the proportion equation
3,212,805.22 : 4,433,644.96 = 1,742,710.09 : x - Step 2: Convert to fraction form
3,212,805.22/4,433,644.96 = 1,742,710.09/x - Step 3: Cross multiply
3,212,805.22x = 4,433,644.96 × 1,742,710.09 - Step 4: Simplify right side
3,212,805.22x = 7,726,557,776,387.87 - Step 5: Solve for x
x = 7,726,557,776,387.87/3,212,805.22 - Step 6: Final answer
x = 2,404,925.68
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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.