Finding the Fourth Proportional to 5,078,106.14, 7,007,764.82 and 2,786,217.62
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Solution
The fourth proportional to 5,078,106.14, 7,007,764.82 and 2,786,217.62 is: 3,844,968.43
Step by Step Solution
- Step 1: Write the proportion equation
5,078,106.14 : 7,007,764.82 = 2,786,217.62 : x - Step 2: Convert to fraction form
5,078,106.14/7,007,764.82 = 2,786,217.62/x - Step 3: Cross multiply
5,078,106.14x = 7,007,764.82 × 2,786,217.62 - Step 4: Simplify right side
5,078,106.14x = 19,525,157,769,330.22 - Step 5: Solve for x
x = 19,525,157,769,330.22/5,078,106.14 - Step 6: Final answer
x = 3,844,968.43
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1.5x scale
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.