Finding the Fourth Proportional to 4,918,674.64, 7,378,087.07 and 2,221,119.49
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Solution
The fourth proportional to 4,918,674.64, 7,378,087.07 and 2,221,119.49 is: 3,331,713.15
Step by Step Solution
- Step 1: Write the proportion equation
4,918,674.64 : 7,378,087.07 = 2,221,119.49 : x - Step 2: Convert to fraction form
4,918,674.64/7,378,087.07 = 2,221,119.49/x - Step 3: Cross multiply
4,918,674.64x = 7,378,087.07 × 2,221,119.49 - Step 4: Simplify right side
4,918,674.64x = 16,387,612,990,094.00 - Step 5: Solve for x
x = 16,387,612,990,094.00/4,918,674.64 - Step 6: Final answer
x = 3,331,713.15
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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.