Finding the Fourth Proportional to 1,611,908.46, 2,224,345.82 and 886,639.09
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Solution
The fourth proportional to 1,611,908.46, 2,224,345.82 and 886,639.09 is: 1,223,513.62
Step by Step Solution
- Step 1: Write the proportion equation
1,611,908.46 : 2,224,345.82 = 886,639.09 : x - Step 2: Convert to fraction form
1,611,908.46/2,224,345.82 = 886,639.09/x - Step 3: Cross multiply
1,611,908.46x = 2,224,345.82 × 886,639.09 - Step 4: Simplify right side
1,611,908.46x = 1,972,191,949,256.91 - Step 5: Solve for x
x = 1,972,191,949,256.91/1,611,908.46 - Step 6: Final answer
x = 1,223,513.62
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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.