Finding the Fourth Proportional to 5,102,418.42, 7,653,638.16 and 4,790,639.70
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Solution
The fourth proportional to 5,102,418.42, 7,653,638.16 and 4,790,639.70 is: 7,185,969.44
Step by Step Solution
- Step 1: Write the proportion equation
5,102,418.42 : 7,653,638.16 = 4,790,639.70 : x - Step 2: Convert to fraction form
5,102,418.42/7,653,638.16 = 4,790,639.70/x - Step 3: Cross multiply
5,102,418.42x = 7,653,638.16 × 4,790,639.70 - Step 4: Simplify right side
5,102,418.42x = 36,665,822,818,730.95 - Step 5: Solve for x
x = 36,665,822,818,730.95/5,102,418.42 - Step 6: Final answer
x = 7,185,969.44
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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.