Finding the Fourth Proportional to 2,660,917.56, 3,991,319.64 and 863,798.12
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Solution
The fourth proportional to 2,660,917.56, 3,991,319.64 and 863,798.12 is: 1,295,678.77
Step by Step Solution
- Step 1: Write the proportion equation
2,660,917.56 : 3,991,319.64 = 863,798.12 : x - Step 2: Convert to fraction form
2,660,917.56/3,991,319.64 = 863,798.12/x - Step 3: Cross multiply
2,660,917.56x = 3,991,319.64 × 863,798.12 - Step 4: Simplify right side
2,660,917.56x = 3,447,694,401,351.08 - Step 5: Solve for x
x = 3,447,694,401,351.08/2,660,917.56 - Step 6: Final answer
x = 1,295,678.77
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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.