Finding the Fourth Proportional to 5,460,571.70, 8,190,857.55 and 4,397,689.70
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Solution
The fourth proportional to 5,460,571.70, 8,190,857.55 and 4,397,689.70 is: 6,596,534.55
Step by Step Solution
- Step 1: Write the proportion equation
5,460,571.70 : 8,190,857.55 = 4,397,689.70 : x - Step 2: Convert to fraction form
5,460,571.70/8,190,857.55 = 4,397,689.70/x - Step 3: Cross multiply
5,460,571.70x = 8,190,857.55 × 4,397,689.70 - Step 4: Simplify right side
5,460,571.70x = 36,020,849,881,802.23 - Step 5: Solve for x
x = 36,020,849,881,802.23/5,460,571.70 - Step 6: Final answer
x = 6,596,534.55
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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.