Finding the Fourth Proportional to 1,968,744.96, 2,716,893.44 and 1,163,921.92
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Solution
The fourth proportional to 1,968,744.96, 2,716,893.44 and 1,163,921.92 is: 1,606,227.26
Step by Step Solution
- Step 1: Write the proportion equation
1,968,744.96 : 2,716,893.44 = 1,163,921.92 : x - Step 2: Convert to fraction form
1,968,744.96/2,716,893.44 = 1,163,921.92/x - Step 3: Cross multiply
1,968,744.96x = 2,716,893.44 × 1,163,921.92 - Step 4: Simplify right side
1,968,744.96x = 3,162,251,829,120.20 - Step 5: Solve for x
x = 3,162,251,829,120.20/1,968,744.96 - Step 6: Final answer
x = 1,606,227.26
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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.