Finding the Fourth Proportional to 3,284,058.74, 4,535,131.30 and 3,105,142.70
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Solution
The fourth proportional to 3,284,058.74, 4,535,131.30 and 3,105,142.70 is: 4,288,056.63
Step by Step Solution
- Step 1: Write the proportion equation
3,284,058.74 : 4,535,131.30 = 3,105,142.70 : x - Step 2: Convert to fraction form
3,284,058.74/4,535,131.30 = 3,105,142.70/x - Step 3: Cross multiply
3,284,058.74x = 4,535,131.30 × 3,105,142.70 - Step 4: Simplify right side
3,284,058.74x = 14,082,229,849,736.51 - Step 5: Solve for x
x = 14,082,229,849,736.51/3,284,058.74 - Step 6: Final answer
x = 4,288,056.63
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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.