Finding the Fourth Proportional to 2,887,969.80, 4,331,954.70 and 758,269.20
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Solution
The fourth proportional to 2,887,969.80, 4,331,954.70 and 758,269.20 is: 1,137,403.80
Step by Step Solution
- Step 1: Write the proportion equation
2,887,969.80 : 4,331,954.70 = 758,269.20 : x - Step 2: Convert to fraction form
2,887,969.80/4,331,954.70 = 758,269.20/x - Step 3: Cross multiply
2,887,969.80x = 4,331,954.70 × 758,269.20 - Step 4: Simplify right side
2,887,969.80x = 3,284,787,824,805.24 - Step 5: Solve for x
x = 3,284,787,824,805.24/2,887,969.80 - Step 6: Final answer
x = 1,137,403.80
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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.