Finding the Fourth Proportional to 2,389,318.62, 3,297,258.27 and 1,316,230.62
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Solution
The fourth proportional to 2,389,318.62, 3,297,258.27 and 1,316,230.62 is: 1,816,397.47
Step by Step Solution
- Step 1: Write the proportion equation
2,389,318.62 : 3,297,258.27 = 1,316,230.62 : x - Step 2: Convert to fraction form
2,389,318.62/3,297,258.27 = 1,316,230.62/x - Step 3: Cross multiply
2,389,318.62x = 3,297,258.27 × 1,316,230.62 - Step 4: Simplify right side
2,389,318.62x = 4,339,952,297,022.23 - Step 5: Solve for x
x = 4,339,952,297,022.23/2,389,318.62 - Step 6: Final answer
x = 1,816,397.47
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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.