Finding the Fourth Proportional to 5,567,981.40, 8,352,021.42 and 2,202,188.76
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Solution
The fourth proportional to 5,567,981.40, 8,352,021.42 and 2,202,188.76 is: 3,303,302.65
Step by Step Solution
- Step 1: Write the proportion equation
5,567,981.40 : 8,352,021.42 = 2,202,188.76 : x - Step 2: Convert to fraction form
5,567,981.40/8,352,021.42 = 2,202,188.76/x - Step 3: Cross multiply
5,567,981.40x = 8,352,021.42 × 2,202,188.76 - Step 4: Simplify right side
5,567,981.40x = 18,392,727,694,403.24 - Step 5: Solve for x
x = 18,392,727,694,403.24/5,567,981.40 - Step 6: Final answer
x = 3,303,302.65
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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.