Finding the Fourth Proportional to 1,460,939.60, 2,016,057.97 and 816,365.09
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Solution
The fourth proportional to 1,460,939.60, 2,016,057.97 and 816,365.09 is: 1,126,562.21
Step by Step Solution
- Step 1: Write the proportion equation
1,460,939.60 : 2,016,057.97 = 816,365.09 : x - Step 2: Convert to fraction form
1,460,939.60/2,016,057.97 = 816,365.09/x - Step 3: Cross multiply
1,460,939.60x = 2,016,057.97 × 816,365.09 - Step 4: Simplify right side
1,460,939.60x = 1,645,839,346,124.27 - Step 5: Solve for x
x = 1,645,839,346,124.27/1,460,939.60 - Step 6: Final answer
x = 1,126,562.21
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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.