Finding the Fourth Proportional to 5,471,181.42, 8,206,778.62 and 1,427,666.28
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Solution
The fourth proportional to 5,471,181.42, 8,206,778.62 and 1,427,666.28 is: 2,141,501.11
Step by Step Solution
- Step 1: Write the proportion equation
5,471,181.42 : 8,206,778.62 = 1,427,666.28 : x - Step 2: Convert to fraction form
5,471,181.42/8,206,778.62 = 1,427,666.28/x - Step 3: Cross multiply
5,471,181.42x = 8,206,778.62 × 1,427,666.28 - Step 4: Simplify right side
5,471,181.42x = 11,716,541,103,198.93 - Step 5: Solve for x
x = 11,716,541,103,198.93/5,471,181.42 - Step 6: Final answer
x = 2,141,501.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.