Finding the Fourth Proportional to 4,971,076.44, 6,861,915.90 and 4,365,677.40
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Solution
The fourth proportional to 4,971,076.44, 6,861,915.90 and 4,365,677.40 is: 6,026,242.31
Step by Step Solution
- Step 1: Write the proportion equation
4,971,076.44 : 6,861,915.90 = 4,365,677.40 : x - Step 2: Convert to fraction form
4,971,076.44/6,861,915.90 = 4,365,677.40/x - Step 3: Cross multiply
4,971,076.44x = 6,861,915.90 × 4,365,677.40 - Step 4: Simplify right side
4,971,076.44x = 29,956,911,165,330.66 - Step 5: Solve for x
x = 29,956,911,165,330.66/4,971,076.44 - Step 6: Final answer
x = 6,026,242.31
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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.