Finding the Fourth Proportional to 1,543,129.92, 2,318,252.40 and 1,479,358.08
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Solution
The fourth proportional to 1,543,129.92, 2,318,252.40 and 1,479,358.08 is: 2,222,447.62
Step by Step Solution
- Step 1: Write the proportion equation
1,543,129.92 : 2,318,252.40 = 1,479,358.08 : x - Step 2: Convert to fraction form
1,543,129.92/2,318,252.40 = 1,479,358.08/x - Step 3: Cross multiply
1,543,129.92x = 2,318,252.40 × 1,479,358.08 - Step 4: Simplify right side
1,543,129.92x = 3,429,525,419,419.39 - Step 5: Solve for x
x = 3,429,525,419,419.39/1,543,129.92 - Step 6: Final answer
x = 2,222,447.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.