Finding the Fourth Proportional to 8,634,688.26, 12,951,851.49 and 2,877,838.62
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Solution
The fourth proportional to 8,634,688.26, 12,951,851.49 and 2,877,838.62 is: 4,316,697.64
Step by Step Solution
- Step 1: Write the proportion equation
8,634,688.26 : 12,951,851.49 = 2,877,838.62 : x - Step 2: Convert to fraction form
8,634,688.26/12,951,851.49 = 2,877,838.62/x - Step 3: Cross multiply
8,634,688.26x = 12,951,851.49 × 2,877,838.62 - Step 4: Simplify right side
8,634,688.26x = 37,273,338,418,426.55 - Step 5: Solve for x
x = 37,273,338,418,426.55/8,634,688.26 - Step 6: Final answer
x = 4,316,697.64
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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.