Finding the Fourth Proportional to 5,197,904.91, 7,170,228.93 and 3,022,207.53
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Solution
The fourth proportional to 5,197,904.91, 7,170,228.93 and 3,022,207.53 is: 4,168,971.97
Step by Step Solution
- Step 1: Write the proportion equation
5,197,904.91 : 7,170,228.93 = 3,022,207.53 : x - Step 2: Convert to fraction form
5,197,904.91/7,170,228.93 = 3,022,207.53/x - Step 3: Cross multiply
5,197,904.91x = 7,170,228.93 × 3,022,207.53 - Step 4: Simplify right side
5,197,904.91x = 21,669,919,864,069.84 - Step 5: Solve for x
x = 21,669,919,864,069.84/5,197,904.91 - Step 6: Final answer
x = 4,168,971.97
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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.