Finding the Fourth Proportional to 2,110,749.63, 3,166,080.09 and 513,321.09
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Solution
The fourth proportional to 2,110,749.63, 3,166,080.09 and 513,321.09 is: 769,970.84
Step by Step Solution
- Step 1: Write the proportion equation
2,110,749.63 : 3,166,080.09 = 513,321.09 : x - Step 2: Convert to fraction form
2,110,749.63/3,166,080.09 = 513,321.09/x - Step 3: Cross multiply
2,110,749.63x = 3,166,080.09 × 513,321.09 - Step 4: Simplify right side
2,110,749.63x = 1,625,215,666,995.70 - Step 5: Solve for x
x = 1,625,215,666,995.70/2,110,749.63 - Step 6: Final answer
x = 769,970.84
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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.