Finding the Fourth Proportional to 2,558,349.05, 3,530,428.99 and 1,396,773.92
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Solution
The fourth proportional to 2,558,349.05, 3,530,428.99 and 1,396,773.92 is: 1,927,497.39
Step by Step Solution
- Step 1: Write the proportion equation
2,558,349.05 : 3,530,428.99 = 1,396,773.92 : x - Step 2: Convert to fraction form
2,558,349.05/3,530,428.99 = 1,396,773.92/x - Step 3: Cross multiply
2,558,349.05x = 3,530,428.99 × 1,396,773.92 - Step 4: Simplify right side
2,558,349.05x = 4,931,211,133,286.24 - Step 5: Solve for x
x = 4,931,211,133,286.24/2,558,349.05 - Step 6: Final answer
x = 1,927,497.39
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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.