Finding the Fourth Proportional to 4,727,071.18, 6,523,269.64 and 2,891,394.62
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Solution
The fourth proportional to 4,727,071.18, 6,523,269.64 and 2,891,394.62 is: 3,990,070.39
Step by Step Solution
- Step 1: Write the proportion equation
4,727,071.18 : 6,523,269.64 = 2,891,394.62 : x - Step 2: Convert to fraction form
4,727,071.18/6,523,269.64 = 2,891,394.62/x - Step 3: Cross multiply
4,727,071.18x = 6,523,269.64 × 2,891,394.62 - Step 4: Simplify right side
4,727,071.18x = 18,861,346,741,905.34 - Step 5: Solve for x
x = 18,861,346,741,905.34/4,727,071.18 - Step 6: Final answer
x = 3,990,070.39
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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.