Finding the Fourth Proportional to 4,433,998.80, 6,634,390.20 and 3,157,557.20
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Solution
The fourth proportional to 4,433,998.80, 6,634,390.20 and 3,157,557.20 is: 4,724,508.84
Step by Step Solution
- Step 1: Write the proportion equation
4,433,998.80 : 6,634,390.20 = 3,157,557.20 : x - Step 2: Convert to fraction form
4,433,998.80/6,634,390.20 = 3,157,557.20/x - Step 3: Cross multiply
4,433,998.80x = 6,634,390.20 × 3,157,557.20 - Step 4: Simplify right side
4,433,998.80x = 20,948,466,543,619.44 - Step 5: Solve for x
x = 20,948,466,543,619.44/4,433,998.80 - Step 6: Final answer
x = 4,724,508.84
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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.