Finding the Fourth Proportional to 4,388,414.58, 6,580,255.05 and 1,990,951.07
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Solution
The fourth proportional to 4,388,414.58, 6,580,255.05 and 1,990,951.07 is: 2,985,352.81
Step by Step Solution
- Step 1: Write the proportion equation
4,388,414.58 : 6,580,255.05 = 1,990,951.07 : x - Step 2: Convert to fraction form
4,388,414.58/6,580,255.05 = 1,990,951.07/x - Step 3: Cross multiply
4,388,414.58x = 6,580,255.05 × 1,990,951.07 - Step 4: Simplify right side
4,388,414.58x = 13,100,965,799,769.13 - Step 5: Solve for x
x = 13,100,965,799,769.13/4,388,414.58 - Step 6: Final answer
x = 2,985,352.81
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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.