Finding the Fourth Proportional to 1,582,578.96, 2,183,956.02 and 857,445.08
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Solution
The fourth proportional to 1,582,578.96, 2,183,956.02 and 857,445.08 is: 1,183,272.61
Step by Step Solution
- Step 1: Write the proportion equation
1,582,578.96 : 2,183,956.02 = 857,445.08 : x - Step 2: Convert to fraction form
1,582,578.96/2,183,956.02 = 857,445.08/x - Step 3: Cross multiply
1,582,578.96x = 2,183,956.02 × 857,445.08 - Step 4: Simplify right side
1,582,578.96x = 1,872,622,344,285.38 - Step 5: Solve for x
x = 1,872,622,344,285.38/1,582,578.96 - Step 6: Final answer
x = 1,183,272.61
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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.