Finding the Fourth Proportional to 3,176,648.96, 4,383,881.12 and 1,869,664.08
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Solution
The fourth proportional to 3,176,648.96, 4,383,881.12 and 1,869,664.08 is: 2,580,198.56
Step by Step Solution
- Step 1: Write the proportion equation
3,176,648.96 : 4,383,881.12 = 1,869,664.08 : x - Step 2: Convert to fraction form
3,176,648.96/4,383,881.12 = 1,869,664.08/x - Step 3: Cross multiply
3,176,648.96x = 4,383,881.12 × 1,869,664.08 - Step 4: Simplify right side
3,176,648.96x = 8,196,385,061,054.17 - Step 5: Solve for x
x = 8,196,385,061,054.17/3,176,648.96 - Step 6: Final answer
x = 2,580,198.56
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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.