Finding the Fourth Proportional to 1,628,809.74, 2,247,989.68 and 940,343.96
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Solution
The fourth proportional to 1,628,809.74, 2,247,989.68 and 940,343.96 is: 1,297,808.74
Step by Step Solution
- Step 1: Write the proportion equation
1,628,809.74 : 2,247,989.68 = 940,343.96 : x - Step 2: Convert to fraction form
1,628,809.74/2,247,989.68 = 940,343.96/x - Step 3: Cross multiply
1,628,809.74x = 2,247,989.68 × 940,343.96 - Step 4: Simplify right side
1,628,809.74x = 2,113,883,517,730.33 - Step 5: Solve for x
x = 2,113,883,517,730.33/1,628,809.74 - Step 6: Final answer
x = 1,297,808.74
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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.