Finding the Fourth Proportional to 5,791,674.16, 7,990,530.66 and 3,309,113.55
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Solution
The fourth proportional to 5,791,674.16, 7,990,530.66 and 3,309,113.55 is: 4,565,445.59
Step by Step Solution
- Step 1: Write the proportion equation
5,791,674.16 : 7,990,530.66 = 3,309,113.55 : x - Step 2: Convert to fraction form
5,791,674.16/7,990,530.66 = 3,309,113.55/x - Step 3: Cross multiply
5,791,674.16x = 7,990,530.66 × 3,309,113.55 - Step 4: Simplify right side
5,791,674.16x = 26,441,573,278,696.44 - Step 5: Solve for x
x = 26,441,573,278,696.44/5,791,674.16 - Step 6: Final answer
x = 4,565,445.59
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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.