Finding the Fourth Proportional to 1,795,338.24, 2,478,464.64 and 1,116,493.44
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Solution
The fourth proportional to 1,795,338.24, 2,478,464.64 and 1,116,493.44 is: 1,541,319.32
Step by Step Solution
- Step 1: Write the proportion equation
1,795,338.24 : 2,478,464.64 = 1,116,493.44 : x - Step 2: Convert to fraction form
1,795,338.24/2,478,464.64 = 1,116,493.44/x - Step 3: Cross multiply
1,795,338.24x = 2,478,464.64 × 1,116,493.44 - Step 4: Simplify right side
1,795,338.24x = 2,767,189,511,831.96 - Step 5: Solve for x
x = 2,767,189,511,831.96/1,795,338.24 - Step 6: Final answer
x = 1,541,319.32
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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.