Finding the Fourth Proportional to 2,989,832.81, 4,485,463.62 and 968,078.97
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Solution
The fourth proportional to 2,989,832.81, 4,485,463.62 and 968,078.97 is: 1,452,349.77
Step by Step Solution
- Step 1: Write the proportion equation
2,989,832.81 : 4,485,463.62 = 968,078.97 : x - Step 2: Convert to fraction form
2,989,832.81/4,485,463.62 = 968,078.97/x - Step 3: Cross multiply
2,989,832.81x = 4,485,463.62 × 968,078.97 - Step 4: Simplify right side
2,989,832.81x = 4,342,283,001,222.07 - Step 5: Solve for x
x = 4,342,283,001,222.07/2,989,832.81 - Step 6: Final answer
x = 1,452,349.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.