Finding the Fourth Proportional to 5,757,617.39, 8,635,832.66 and 1,919,025.05
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Solution
The fourth proportional to 5,757,617.39, 8,635,832.66 and 1,919,025.05 is: 2,878,339.78
Step by Step Solution
- Step 1: Write the proportion equation
5,757,617.39 : 8,635,832.66 = 1,919,025.05 : x - Step 2: Convert to fraction form
5,757,617.39/8,635,832.66 = 1,919,025.05/x - Step 3: Cross multiply
5,757,617.39x = 8,635,832.66 × 1,919,025.05 - Step 4: Simplify right side
5,757,617.39x = 16,572,379,149,373.84 - Step 5: Solve for x
x = 16,572,379,149,373.84/5,757,617.39 - Step 6: Final answer
x = 2,878,339.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.