Finding the Fourth Proportional to 3,519,581.08, 4,854,512.82 and 3,230,125.66
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Solution
The fourth proportional to 3,519,581.08, 4,854,512.82 and 3,230,125.66 is: 4,455,270.69
Step by Step Solution
- Step 1: Write the proportion equation
3,519,581.08 : 4,854,512.82 = 3,230,125.66 : x - Step 2: Convert to fraction form
3,519,581.08/4,854,512.82 = 3,230,125.66/x - Step 3: Cross multiply
3,519,581.08x = 4,854,512.82 × 3,230,125.66 - Step 4: Simplify right side
3,519,581.08x = 15,680,686,426,680.96 - Step 5: Solve for x
x = 15,680,686,426,680.96/3,519,581.08 - Step 6: Final answer
x = 4,455,270.69
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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.