Finding the Fourth Proportional to 4,215,172.08, 5,816,318.36 and 2,354,358.29
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Solution
The fourth proportional to 4,215,172.08, 5,816,318.36 and 2,354,358.29 is: 3,248,668.64
Step by Step Solution
- Step 1: Write the proportion equation
4,215,172.08 : 5,816,318.36 = 2,354,358.29 : x - Step 2: Convert to fraction form
4,215,172.08/5,816,318.36 = 2,354,358.29/x - Step 3: Cross multiply
4,215,172.08x = 5,816,318.36 × 2,354,358.29 - Step 4: Simplify right side
4,215,172.08x = 13,693,697,350,914.21 - Step 5: Solve for x
x = 13,693,697,350,914.21/4,215,172.08 - Step 6: Final answer
x = 3,248,668.64
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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.