Finding the Fourth Proportional to 2,809,578.15, 4,213,891.86 and 787,356.68
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Solution
The fourth proportional to 2,809,578.15, 4,213,891.86 and 787,356.68 is: 1,180,901.80
Step by Step Solution
- Step 1: Write the proportion equation
2,809,578.15 : 4,213,891.86 = 787,356.68 : x - Step 2: Convert to fraction form
2,809,578.15/4,213,891.86 = 787,356.68/x - Step 3: Cross multiply
2,809,578.15x = 4,213,891.86 × 787,356.68 - Step 4: Simplify right side
2,809,578.15x = 3,317,835,892,598.15 - Step 5: Solve for x
x = 3,317,835,892,598.15/2,809,578.15 - Step 6: Final answer
x = 1,180,901.80
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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.