Finding the Fourth Proportional to 5,179,684.65, 7,770,236.04 and 1,767,054.99
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Solution
The fourth proportional to 5,179,684.65, 7,770,236.04 and 1,767,054.99 is: 2,650,824.39
Step by Step Solution
- Step 1: Write the proportion equation
5,179,684.65 : 7,770,236.04 = 1,767,054.99 : x - Step 2: Convert to fraction form
5,179,684.65/7,770,236.04 = 1,767,054.99/x - Step 3: Cross multiply
5,179,684.65x = 7,770,236.04 × 1,767,054.99 - Step 4: Simplify right side
5,179,684.65x = 13,730,434,397,098.22 - Step 5: Solve for x
x = 13,730,434,397,098.22/5,179,684.65 - Step 6: Final answer
x = 2,650,824.39
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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.