Finding the Fourth Proportional to 3,388,444.38, 5,082,668.40 and 2,127,157.74
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Solution
The fourth proportional to 3,388,444.38, 5,082,668.40 and 2,127,157.74 is: 3,190,737.76
Step by Step Solution
- Step 1: Write the proportion equation
3,388,444.38 : 5,082,668.40 = 2,127,157.74 : x - Step 2: Convert to fraction form
3,388,444.38/5,082,668.40 = 2,127,157.74/x - Step 3: Cross multiply
3,388,444.38x = 5,082,668.40 × 2,127,157.74 - Step 4: Simplify right side
3,388,444.38x = 10,811,637,426,913.42 - Step 5: Solve for x
x = 10,811,637,426,913.42/3,388,444.38 - Step 6: Final answer
x = 3,190,737.76
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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.