Finding the Fourth Proportional to 5,709,972.58, 7,879,035.81 and 3,262,741.90
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Solution
The fourth proportional to 5,709,972.58, 7,879,035.81 and 3,262,741.90 is: 4,502,168.78
Step by Step Solution
- Step 1: Write the proportion equation
5,709,972.58 : 7,879,035.81 = 3,262,741.90 : x - Step 2: Convert to fraction form
5,709,972.58/7,879,035.81 = 3,262,741.90/x - Step 3: Cross multiply
5,709,972.58x = 7,879,035.81 × 3,262,741.90 - Step 4: Simplify right side
5,709,972.58x = 25,707,260,268,887.44 - Step 5: Solve for x
x = 25,707,260,268,887.44/5,709,972.58 - Step 6: Final answer
x = 4,502,168.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.