Finding the Fourth Proportional to 1,752,276.87, 2,419,236.63 and 1,343,593.44
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Solution
The fourth proportional to 1,752,276.87, 2,419,236.63 and 1,343,593.44 is: 1,854,998.21
Step by Step Solution
- Step 1: Write the proportion equation
1,752,276.87 : 2,419,236.63 = 1,343,593.44 : x - Step 2: Convert to fraction form
1,752,276.87/2,419,236.63 = 1,343,593.44/x - Step 3: Cross multiply
1,752,276.87x = 2,419,236.63 × 1,343,593.44 - Step 4: Simplify right side
1,752,276.87x = 3,250,470,465,875.71 - Step 5: Solve for x
x = 3,250,470,465,875.71/1,752,276.87 - Step 6: Final answer
x = 1,854,998.21
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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.