Finding the Fourth Proportional to 5,757,611.13, 8,635,823.29 and 1,919,018.79
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Solution
The fourth proportional to 5,757,611.13, 8,635,823.29 and 1,919,018.79 is: 2,878,330.40
Step by Step Solution
- Step 1: Write the proportion equation
5,757,611.13 : 8,635,823.29 = 1,919,018.79 : x - Step 2: Convert to fraction form
5,757,611.13/8,635,823.29 = 1,919,018.79/x - Step 3: Cross multiply
5,757,611.13x = 8,635,823.29 × 1,919,018.79 - Step 4: Simplify right side
5,757,611.13x = 16,572,307,160,629.62 - Step 5: Solve for x
x = 16,572,307,160,629.62/5,757,611.13 - Step 6: Final answer
x = 2,878,330.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.