Finding the Fourth Proportional to 4,086,630.24, 5,639,549.36 and 2,368,747.20
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Solution
The fourth proportional to 4,086,630.24, 5,639,549.36 and 2,368,747.20 is: 3,268,870.92
Step by Step Solution
- Step 1: Write the proportion equation
4,086,630.24 : 5,639,549.36 = 2,368,747.20 : x - Step 2: Convert to fraction form
4,086,630.24/5,639,549.36 = 2,368,747.20/x - Step 3: Cross multiply
4,086,630.24x = 5,639,549.36 × 2,368,747.20 - Step 4: Simplify right side
4,086,630.24x = 13,358,666,755,761.79 - Step 5: Solve for x
x = 13,358,666,755,761.79/4,086,630.24 - Step 6: Final answer
x = 3,268,870.92
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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.