Finding the Fourth Proportional to 2,157,310.31, 3,235,124.50 and 808,737.09
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Solution
The fourth proportional to 2,157,310.31, 3,235,124.50 and 808,737.09 is: 1,212,790.37
Step by Step Solution
- Step 1: Write the proportion equation
2,157,310.31 : 3,235,124.50 = 808,737.09 : x - Step 2: Convert to fraction form
2,157,310.31/3,235,124.50 = 808,737.09/x - Step 3: Cross multiply
2,157,310.31x = 3,235,124.50 × 808,737.09 - Step 4: Simplify right side
2,157,310.31x = 2,616,365,173,917.71 - Step 5: Solve for x
x = 2,616,365,173,917.71/2,157,310.31 - Step 6: Final answer
x = 1,212,790.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.