Finding the Fourth Proportional to 3,826,394.72, 5,280,664.08 and 2,107,514.84
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Solution
The fourth proportional to 3,826,394.72, 5,280,664.08 and 2,107,514.84 is: 2,908,502.32
Step by Step Solution
- Step 1: Write the proportion equation
3,826,394.72 : 5,280,664.08 = 2,107,514.84 : x - Step 2: Convert to fraction form
3,826,394.72/5,280,664.08 = 2,107,514.84/x - Step 3: Cross multiply
3,826,394.72x = 5,280,664.08 × 2,107,514.84 - Step 4: Simplify right side
3,826,394.72x = 11,129,077,913,654.95 - Step 5: Solve for x
x = 11,129,077,913,654.95/3,826,394.72 - Step 6: Final answer
x = 2,908,502.32
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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.