Finding the Fourth Proportional to 4,869,353.68, 6,719,908.68 and 2,693,861.20
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Solution
The fourth proportional to 4,869,353.68, 6,719,908.68 and 2,693,861.20 is: 3,717,639.43
Step by Step Solution
- Step 1: Write the proportion equation
4,869,353.68 : 6,719,908.68 = 2,693,861.20 : x - Step 2: Convert to fraction form
4,869,353.68/6,719,908.68 = 2,693,861.20/x - Step 3: Cross multiply
4,869,353.68x = 6,719,908.68 × 2,693,861.20 - Step 4: Simplify right side
4,869,353.68x = 18,102,501,260,595.21 - Step 5: Solve for x
x = 18,102,501,260,595.21/4,869,353.68 - Step 6: Final answer
x = 3,717,639.43
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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.