Finding the Fourth Proportional to 1,732,639.62, 2,390,082.74 and 1,007,407.18
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Solution
The fourth proportional to 1,732,639.62, 2,390,082.74 and 1,007,407.18 is: 1,389,663.77
Step by Step Solution
- Step 1: Write the proportion equation
1,732,639.62 : 2,390,082.74 = 1,007,407.18 : x - Step 2: Convert to fraction form
1,732,639.62/2,390,082.74 = 1,007,407.18/x - Step 3: Cross multiply
1,732,639.62x = 2,390,082.74 × 1,007,407.18 - Step 4: Simplify right side
1,732,639.62x = 2,407,786,496,082.62 - Step 5: Solve for x
x = 2,407,786,496,082.62/1,732,639.62 - Step 6: Final answer
x = 1,389,663.77
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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.