Finding the Fourth Proportional to 2,602,651.63, 3,591,622.11 and 1,440,986.48
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Solution
The fourth proportional to 2,602,651.63, 3,591,622.11 and 1,440,986.48 is: 1,988,540.78
Step by Step Solution
- Step 1: Write the proportion equation
2,602,651.63 : 3,591,622.11 = 1,440,986.48 : x - Step 2: Convert to fraction form
2,602,651.63/3,591,622.11 = 1,440,986.48/x - Step 3: Cross multiply
2,602,651.63x = 3,591,622.11 × 1,440,986.48 - Step 4: Simplify right side
2,602,651.63x = 5,175,478,901,779.07 - Step 5: Solve for x
x = 5,175,478,901,779.07/2,602,651.63 - Step 6: Final answer
x = 1,988,540.78
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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.