Finding the Fourth Proportional to 5,197,905.42, 7,170,229.62 and 3,022,208.04
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Solution
The fourth proportional to 5,197,905.42, 7,170,229.62 and 3,022,208.04 is: 4,168,972.66
Step by Step Solution
- Step 1: Write the proportion equation
5,197,905.42 : 7,170,229.62 = 3,022,208.04 : x - Step 2: Convert to fraction form
5,197,905.42/7,170,229.62 = 3,022,208.04/x - Step 3: Cross multiply
5,197,905.42x = 7,170,229.62 × 3,022,208.04 - Step 4: Simplify right side
5,197,905.42x = 21,669,925,606,210.14 - Step 5: Solve for x
x = 21,669,925,606,210.14/5,197,905.42 - Step 6: Final answer
x = 4,168,972.66
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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.