Finding the Fourth Proportional to 5,180,553.70, 7,770,830.55 and 3,295,651.30
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Solution
The fourth proportional to 5,180,553.70, 7,770,830.55 and 3,295,651.30 is: 4,943,476.95
Step by Step Solution
- Step 1: Write the proportion equation
5,180,553.70 : 7,770,830.55 = 3,295,651.30 : x - Step 2: Convert to fraction form
5,180,553.70/7,770,830.55 = 3,295,651.30/x - Step 3: Cross multiply
5,180,553.70x = 7,770,830.55 × 3,295,651.30 - Step 4: Simplify right side
5,180,553.70x = 25,609,947,804,187.21 - Step 5: Solve for x
x = 25,609,947,804,187.21/5,180,553.70 - Step 6: Final answer
x = 4,943,476.95
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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.