Finding the Fourth Proportional to 5,475,639.68, 8,212,832.01 and 1,432,517.66
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Solution
The fourth proportional to 5,475,639.68, 8,212,832.01 and 1,432,517.66 is: 2,148,612.32
Step by Step Solution
- Step 1: Write the proportion equation
5,475,639.68 : 8,212,832.01 = 1,432,517.66 : x - Step 2: Convert to fraction form
5,475,639.68/8,212,832.01 = 1,432,517.66/x - Step 3: Cross multiply
5,475,639.68x = 8,212,832.01 × 1,432,517.66 - Step 4: Simplify right side
5,475,639.68x = 11,765,026,851,874.14 - Step 5: Solve for x
x = 11,765,026,851,874.14/5,475,639.68 - Step 6: Final answer
x = 2,148,612.32
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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.