Finding the Fourth Proportional to 4,255,639.40, 6,384,042.30 and 1,415,455.40
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Solution
The fourth proportional to 4,255,639.40, 6,384,042.30 and 1,415,455.40 is: 2,123,377.08
Step by Step Solution
- Step 1: Write the proportion equation
4,255,639.40 : 6,384,042.30 = 1,415,455.40 : x - Step 2: Convert to fraction form
4,255,639.40/6,384,042.30 = 1,415,455.40/x - Step 3: Cross multiply
4,255,639.40x = 6,384,042.30 × 1,415,455.40 - Step 4: Simplify right side
4,255,639.40x = 9,036,327,147,363.42 - Step 5: Solve for x
x = 9,036,327,147,363.42/4,255,639.40 - Step 6: Final answer
x = 2,123,377.08
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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.