Finding the Fourth Proportional to 2,089,064.69, 3,133,597.04 and 1,378,926.66
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Solution
The fourth proportional to 2,089,064.69, 3,133,597.04 and 1,378,926.66 is: 2,068,389.99
Step by Step Solution
- Step 1: Write the proportion equation
2,089,064.69 : 3,133,597.04 = 1,378,926.66 : x - Step 2: Convert to fraction form
2,089,064.69/3,133,597.04 = 1,378,926.66/x - Step 3: Cross multiply
2,089,064.69x = 3,133,597.04 × 1,378,926.66 - Step 4: Simplify right side
2,089,064.69x = 4,321,000,503,600.40 - Step 5: Solve for x
x = 4,321,000,503,600.40/2,089,064.69 - Step 6: Final answer
x = 2,068,389.99
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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.