Finding the Fourth Proportional to 1,692,945.81, 2,539,369.49 and 494,896.28
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Solution
The fourth proportional to 1,692,945.81, 2,539,369.49 and 494,896.28 is: 742,330.02
Step by Step Solution
- Step 1: Write the proportion equation
1,692,945.81 : 2,539,369.49 = 494,896.28 : x - Step 2: Convert to fraction form
1,692,945.81/2,539,369.49 = 494,896.28/x - Step 3: Cross multiply
1,692,945.81x = 2,539,369.49 × 494,896.28 - Step 4: Simplify right side
1,692,945.81x = 1,256,724,498,975.17 - Step 5: Solve for x
x = 1,256,724,498,975.17/1,692,945.81 - Step 6: Final answer
x = 742,330.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.