Finding the Fourth Proportional to 4,812,168.42, 7,218,252.63 and 1,617,294.60
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Solution
The fourth proportional to 4,812,168.42, 7,218,252.63 and 1,617,294.60 is: 2,425,941.90
Step by Step Solution
- Step 1: Write the proportion equation
4,812,168.42 : 7,218,252.63 = 1,617,294.60 : x - Step 2: Convert to fraction form
4,812,168.42/7,218,252.63 = 1,617,294.60/x - Step 3: Cross multiply
4,812,168.42x = 7,218,252.63 × 1,617,294.60 - Step 4: Simplify right side
4,812,168.42x = 11,674,040,999,934.80 - Step 5: Solve for x
x = 11,674,040,999,934.80/4,812,168.42 - Step 6: Final answer
x = 2,425,941.90
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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.