Finding the Fourth Proportional to 1,912,611.87, 2,639,302.53 and 1,096,776.14
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Solution
The fourth proportional to 1,912,611.87, 2,639,302.53 and 1,096,776.14 is: 1,513,492.66
Step by Step Solution
- Step 1: Write the proportion equation
1,912,611.87 : 2,639,302.53 = 1,096,776.14 : x - Step 2: Convert to fraction form
1,912,611.87/2,639,302.53 = 1,096,776.14/x - Step 3: Cross multiply
1,912,611.87x = 2,639,302.53 × 1,096,776.14 - Step 4: Simplify right side
1,912,611.87x = 2,894,724,027,949.12 - Step 5: Solve for x
x = 2,894,724,027,949.12/1,912,611.87 - Step 6: Final answer
x = 1,513,492.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.