Finding the Fourth Proportional to 5,906,809.18, 8,151,396.96 and 3,190,555.18
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Solution
The fourth proportional to 5,906,809.18, 8,151,396.96 and 3,190,555.18 is: 4,402,966.31
Step by Step Solution
- Step 1: Write the proportion equation
5,906,809.18 : 8,151,396.96 = 3,190,555.18 : x - Step 2: Convert to fraction form
5,906,809.18/8,151,396.96 = 3,190,555.18/x - Step 3: Cross multiply
5,906,809.18x = 8,151,396.96 × 3,190,555.18 - Step 4: Simplify right side
5,906,809.18x = 26,007,481,794,964.25 - Step 5: Solve for x
x = 26,007,481,794,964.25/5,906,809.18 - Step 6: Final answer
x = 4,402,966.31
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1.5x scale
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.