Finding the Fourth Proportional to 3,721,207.70, 5,581,811.55 and 3,671,441.30
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Solution
The fourth proportional to 3,721,207.70, 5,581,811.55 and 3,671,441.30 is: 5,507,161.95
Step by Step Solution
- Step 1: Write the proportion equation
3,721,207.70 : 5,581,811.55 = 3,671,441.30 : x - Step 2: Convert to fraction form
3,721,207.70/5,581,811.55 = 3,671,441.30/x - Step 3: Cross multiply
3,721,207.70x = 5,581,811.55 × 3,671,441.30 - Step 4: Simplify right side
3,721,207.70x = 20,493,293,453,487.01 - Step 5: Solve for x
x = 20,493,293,453,487.01/3,721,207.70 - Step 6: Final answer
x = 5,507,161.95
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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.