Finding the Fourth Proportional to 1,426,728.05, 1,967,163.05 and 1,232,785.25
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Solution
The fourth proportional to 1,426,728.05, 1,967,163.05 and 1,232,785.25 is: 1,699,756.02
Step by Step Solution
- Step 1: Write the proportion equation
1,426,728.05 : 1,967,163.05 = 1,232,785.25 : x - Step 2: Convert to fraction form
1,426,728.05/1,967,163.05 = 1,232,785.25/x - Step 3: Cross multiply
1,426,728.05x = 1,967,163.05 × 1,232,785.25 - Step 4: Simplify right side
1,426,728.05x = 2,425,089,585,631.16 - Step 5: Solve for x
x = 2,425,089,585,631.16/1,426,728.05 - Step 6: Final answer
x = 1,699,756.02
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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.