Finding the Fourth Proportional to 5,103,790.02, 7,043,226.42 and 2,811,950.72
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Solution
The fourth proportional to 5,103,790.02, 7,043,226.42 and 2,811,950.72 is: 3,880,489.90
Step by Step Solution
- Step 1: Write the proportion equation
5,103,790.02 : 7,043,226.42 = 2,811,950.72 : x - Step 2: Convert to fraction form
5,103,790.02/7,043,226.42 = 2,811,950.72/x - Step 3: Cross multiply
5,103,790.02x = 7,043,226.42 × 2,811,950.72 - Step 4: Simplify right side
5,103,790.02x = 19,805,205,602,842.02 - Step 5: Solve for x
x = 19,805,205,602,842.02/5,103,790.02 - Step 6: Final answer
x = 3,880,489.90
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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.