Finding the Fourth Proportional to 1,639,082.43, 2,453,987.19 and 868,825.08
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Solution
The fourth proportional to 1,639,082.43, 2,453,987.19 and 868,825.08 is: 1,300,779.98
Step by Step Solution
- Step 1: Write the proportion equation
1,639,082.43 : 2,453,987.19 = 868,825.08 : x - Step 2: Convert to fraction form
1,639,082.43/2,453,987.19 = 868,825.08/x - Step 3: Cross multiply
1,639,082.43x = 2,453,987.19 × 868,825.08 - Step 4: Simplify right side
1,639,082.43x = 2,132,085,616,670.73 - Step 5: Solve for x
x = 2,132,085,616,670.73/1,639,082.43 - Step 6: Final answer
x = 1,300,779.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.