Finding the Fourth Proportional to 4,796,446.64, 6,619,113.99 and 2,620,990.12
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Solution
The fourth proportional to 4,796,446.64, 6,619,113.99 and 2,620,990.12 is: 3,616,975.99
Step by Step Solution
- Step 1: Write the proportion equation
4,796,446.64 : 6,619,113.99 = 2,620,990.12 : x - Step 2: Convert to fraction form
4,796,446.64/6,619,113.99 = 2,620,990.12/x - Step 3: Cross multiply
4,796,446.64x = 6,619,113.99 × 2,620,990.12 - Step 4: Simplify right side
4,796,446.64x = 17,348,632,344,567.28 - Step 5: Solve for x
x = 17,348,632,344,567.28/4,796,446.64 - Step 6: Final answer
x = 3,616,975.99
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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.