Finding the Fourth Proportional to 2,708,879.09, 3,738,289.52 and 1,485,181.64
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Solution
The fourth proportional to 2,708,879.09, 3,738,289.52 and 1,485,181.64 is: 2,049,570.62
Step by Step Solution
- Step 1: Write the proportion equation
2,708,879.09 : 3,738,289.52 = 1,485,181.64 : x - Step 2: Convert to fraction form
2,708,879.09/3,738,289.52 = 1,485,181.64/x - Step 3: Cross multiply
2,708,879.09x = 3,738,289.52 × 1,485,181.64 - Step 4: Simplify right side
2,708,879.09x = 5,552,038,973,167.09 - Step 5: Solve for x
x = 5,552,038,973,167.09/2,708,879.09 - Step 6: Final answer
x = 2,049,570.62
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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.