Finding the Fourth Proportional to 1,543,292.48, 2,129,683.92 and 864,194.24
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Solution
The fourth proportional to 1,543,292.48, 2,129,683.92 and 864,194.24 is: 1,192,554.62
Step by Step Solution
- Step 1: Write the proportion equation
1,543,292.48 : 2,129,683.92 = 864,194.24 : x - Step 2: Convert to fraction form
1,543,292.48/2,129,683.92 = 864,194.24/x - Step 3: Cross multiply
1,543,292.48x = 2,129,683.92 × 864,194.24 - Step 4: Simplify right side
1,543,292.48x = 1,840,460,576,684.62 - Step 5: Solve for x
x = 1,840,460,576,684.62/1,543,292.48 - Step 6: Final answer
x = 1,192,554.62
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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.