Finding the Fourth Proportional to 3,304,971.60, 4,964,455.80 and 3,185,998.80
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Solution
The fourth proportional to 3,304,971.60, 4,964,455.80 and 3,185,998.80 is: 4,785,744.67
Step by Step Solution
- Step 1: Write the proportion equation
3,304,971.60 : 4,964,455.80 = 3,185,998.80 : x - Step 2: Convert to fraction form
3,304,971.60/4,964,455.80 = 3,185,998.80/x - Step 3: Cross multiply
3,304,971.60x = 4,964,455.80 × 3,185,998.80 - Step 4: Simplify right side
3,304,971.60x = 15,816,750,221,453.04 - Step 5: Solve for x
x = 15,816,750,221,453.04/3,304,971.60 - Step 6: Final answer
x = 4,785,744.67
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1.5x scale
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.