Finding the Fourth Proportional to 1,149,617.81, 1,586,473.08 and 666,463.07
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Solution
The fourth proportional to 1,149,617.81, 1,586,473.08 and 666,463.07 is: 919,719.33
Step by Step Solution
- Step 1: Write the proportion equation
1,149,617.81 : 1,586,473.08 = 666,463.07 : x - Step 2: Convert to fraction form
1,149,617.81/1,586,473.08 = 666,463.07/x - Step 3: Cross multiply
1,149,617.81x = 1,586,473.08 × 666,463.07 - Step 4: Simplify right side
1,149,617.81x = 1,057,325,719,369.16 - Step 5: Solve for x
x = 1,057,325,719,369.16/1,149,617.81 - Step 6: Final answer
x = 919,719.33
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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.