Finding the Fourth Proportional to 2,989,452.24, 4,125,531.24 and 1,631,412.72
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Solution
The fourth proportional to 2,989,452.24, 4,125,531.24 and 1,631,412.72 is: 2,251,397.11
Step by Step Solution
- Step 1: Write the proportion equation
2,989,452.24 : 4,125,531.24 = 1,631,412.72 : x - Step 2: Convert to fraction form
2,989,452.24/4,125,531.24 = 1,631,412.72/x - Step 3: Cross multiply
2,989,452.24x = 4,125,531.24 × 1,631,412.72 - Step 4: Simplify right side
2,989,452.24x = 6,730,444,141,693.37 - Step 5: Solve for x
x = 6,730,444,141,693.37/2,989,452.24 - Step 6: Final answer
x = 2,251,397.11
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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.