Finding the Fourth Proportional to 7,251,940.26, 10,879,149.68 and 2,989,778.58
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Solution
The fourth proportional to 7,251,940.26, 10,879,149.68 and 2,989,778.58 is: 4,485,178.80
Step by Step Solution
- Step 1: Write the proportion equation
7,251,940.26 : 10,879,149.68 = 2,989,778.58 : x - Step 2: Convert to fraction form
7,251,940.26/10,879,149.68 = 2,989,778.58/x - Step 3: Cross multiply
7,251,940.26x = 10,879,149.68 × 2,989,778.58 - Step 4: Simplify right side
7,251,940.26x = 32,526,248,681,877.86 - Step 5: Solve for x
x = 32,526,248,681,877.86/7,251,940.26 - Step 6: Final answer
x = 4,485,178.80
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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.