Finding the Fourth Proportional to 5,102,418.67, 7,653,638.54 and 4,790,639.95
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Solution
The fourth proportional to 5,102,418.67, 7,653,638.54 and 4,790,639.95 is: 7,185,969.81
Step by Step Solution
- Step 1: Write the proportion equation
5,102,418.67 : 7,653,638.54 = 4,790,639.95 : x - Step 2: Convert to fraction form
5,102,418.67/7,653,638.54 = 4,790,639.95/x - Step 3: Cross multiply
5,102,418.67x = 7,653,638.54 × 4,790,639.95 - Step 4: Simplify right side
5,102,418.67x = 36,665,826,528,630.48 - Step 5: Solve for x
x = 36,665,826,528,630.48/5,102,418.67 - Step 6: Final answer
x = 7,185,969.81
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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.