Finding the Fourth Proportional to 1,665,162.74, 2,297,716.53 and 939,921.14
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Solution
The fourth proportional to 1,665,162.74, 2,297,716.53 and 939,921.14 is: 1,296,973.74
Step by Step Solution
- Step 1: Write the proportion equation
1,665,162.74 : 2,297,716.53 = 939,921.14 : x - Step 2: Convert to fraction form
1,665,162.74/2,297,716.53 = 939,921.14/x - Step 3: Cross multiply
1,665,162.74x = 2,297,716.53 × 939,921.14 - Step 4: Simplify right side
1,665,162.74x = 2,159,672,340,274.44 - Step 5: Solve for x
x = 2,159,672,340,274.44/1,665,162.74 - Step 6: Final answer
x = 1,296,973.74
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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.