Finding the Fourth Proportional to 2,965,639, 4,081,549.62 and 2,445,230.20
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Solution
The fourth proportional to 2,965,639, 4,081,549.62 and 2,445,230.20 is: 3,365,321.40
Step by Step Solution
- Step 1: Write the proportion equation
2,965,639 : 4,081,549.62 = 2,445,230.20 : x - Step 2: Convert to fraction form
2,965,639/4,081,549.62 = 2,445,230.20/x - Step 3: Cross multiply
2,965,639x = 4,081,549.62 × 2,445,230.20 - Step 4: Simplify right side
2,965,639x = 9,980,328,393,622.53 - Step 5: Solve for x
x = 9,980,328,393,622.53/2,965,639 - Step 6: Final answer
x = 3,365,321.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.