Finding the Fourth Proportional to 1,611,912.71, 2,224,351.68 and 886,643.34
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Solution
The fourth proportional to 1,611,912.71, 2,224,351.68 and 886,643.34 is: 1,223,519.48
Step by Step Solution
- Step 1: Write the proportion equation
1,611,912.71 : 2,224,351.68 = 886,643.34 : x - Step 2: Convert to fraction form
1,611,912.71/2,224,351.68 = 886,643.34/x - Step 3: Cross multiply
1,611,912.71x = 2,224,351.68 × 886,643.34 - Step 4: Simplify right side
1,611,912.71x = 1,972,206,602,889.81 - Step 5: Solve for x
x = 1,972,206,602,889.81/1,611,912.71 - Step 6: Final answer
x = 1,223,519.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.