Finding the Fourth Proportional to 1,349,236.32, 1,861,766.22 and 866,455.41
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Solution
The fourth proportional to 1,349,236.32, 1,861,766.22 and 866,455.41 is: 1,195,592.94
Step by Step Solution
- Step 1: Write the proportion equation
1,349,236.32 : 1,861,766.22 = 866,455.41 : x - Step 2: Convert to fraction form
1,349,236.32/1,861,766.22 = 866,455.41/x - Step 3: Cross multiply
1,349,236.32x = 1,861,766.22 × 866,455.41 - Step 4: Simplify right side
1,349,236.32x = 1,613,137,413,474.25 - Step 5: Solve for x
x = 1,613,137,413,474.25/1,349,236.32 - Step 6: Final answer
x = 1,195,592.94
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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.