Finding the Fourth Proportional to 1,615,174.47, 2,228,940.96 and 936,504.63
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Solution
The fourth proportional to 1,615,174.47, 2,228,940.96 and 936,504.63 is: 1,292,376.50
Step by Step Solution
- Step 1: Write the proportion equation
1,615,174.47 : 2,228,940.96 = 936,504.63 : x - Step 2: Convert to fraction form
1,615,174.47/2,228,940.96 = 936,504.63/x - Step 3: Cross multiply
1,615,174.47x = 2,228,940.96 × 936,504.63 - Step 4: Simplify right side
1,615,174.47x = 2,087,413,529,036.64 - Step 5: Solve for x
x = 2,087,413,529,036.64/1,615,174.47 - Step 6: Final answer
x = 1,292,376.50
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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.