Finding the Fourth Proportional to 1,664,894.70, 2,491,812.45 and 1,167,230.70
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Solution
The fourth proportional to 1,664,894.70, 2,491,812.45 and 1,167,230.70 is: 1,746,969.34
Step by Step Solution
- Step 1: Write the proportion equation
1,664,894.70 : 2,491,812.45 = 1,167,230.70 : x - Step 2: Convert to fraction form
1,664,894.70/2,491,812.45 = 1,167,230.70/x - Step 3: Cross multiply
1,664,894.70x = 2,491,812.45 × 1,167,230.70 - Step 4: Simplify right side
1,664,894.70x = 2,908,519,990,282.22 - Step 5: Solve for x
x = 2,908,519,990,282.22/1,664,894.70 - Step 6: Final answer
x = 1,746,969.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.