Finding the Fourth Proportional to 1,409,721.18, 1,945,394.26 and 797,989.97
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Solution
The fourth proportional to 1,409,721.18, 1,945,394.26 and 797,989.97 is: 1,101,214.28
Step by Step Solution
- Step 1: Write the proportion equation
1,409,721.18 : 1,945,394.26 = 797,989.97 : x - Step 2: Convert to fraction form
1,409,721.18/1,945,394.26 = 797,989.97/x - Step 3: Cross multiply
1,409,721.18x = 1,945,394.26 × 797,989.97 - Step 4: Simplify right side
1,409,721.18x = 1,552,405,095,453.63 - Step 5: Solve for x
x = 1,552,405,095,453.63/1,409,721.18 - Step 6: Final answer
x = 1,101,214.28
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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.