Finding the Fourth Proportional to 4,157,553.20, 6,236,329.80 and 3,317,745.20
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Solution
The fourth proportional to 4,157,553.20, 6,236,329.80 and 3,317,745.20 is: 4,976,617.80
Step by Step Solution
- Step 1: Write the proportion equation
4,157,553.20 : 6,236,329.80 = 3,317,745.20 : x - Step 2: Convert to fraction form
4,157,553.20/6,236,329.80 = 3,317,745.20/x - Step 3: Cross multiply
4,157,553.20x = 6,236,329.80 × 3,317,745.20 - Step 4: Simplify right side
4,157,553.20x = 20,690,553,259,566.96 - Step 5: Solve for x
x = 20,690,553,259,566.96/4,157,553.20 - Step 6: Final answer
x = 4,976,617.80
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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.