Finding the Fourth Proportional to 5,022,639.36, 6,931,479.22 and 2,847,224.79
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Solution
The fourth proportional to 5,022,639.36, 6,931,479.22 and 2,847,224.79 is: 3,929,304.50
Step by Step Solution
- Step 1: Write the proportion equation
5,022,639.36 : 6,931,479.22 = 2,847,224.79 : x - Step 2: Convert to fraction form
5,022,639.36/6,931,479.22 = 2,847,224.79/x - Step 3: Cross multiply
5,022,639.36x = 6,931,479.22 × 2,847,224.79 - Step 4: Simplify right side
5,022,639.36x = 19,735,479,459,435.80 - Step 5: Solve for x
x = 19,735,479,459,435.80/5,022,639.36 - Step 6: Final answer
x = 3,929,304.50
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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.