Finding the Fourth Proportional to 2,808,863.54, 4,212,940.18 and 889,969.46
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Solution
The fourth proportional to 2,808,863.54, 4,212,940.18 and 889,969.46 is: 1,334,841.67
Step by Step Solution
- Step 1: Write the proportion equation
2,808,863.54 : 4,212,940.18 = 889,969.46 : x - Step 2: Convert to fraction form
2,808,863.54/4,212,940.18 = 889,969.46/x - Step 3: Cross multiply
2,808,863.54x = 4,212,940.18 × 889,969.46 - Step 4: Simplify right side
2,808,863.54x = 3,749,388,097,006.90 - Step 5: Solve for x
x = 3,749,388,097,006.90/2,808,863.54 - Step 6: Final answer
x = 1,334,841.67
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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.