Finding the Fourth Proportional to 5,845,651.20, 8,769,805.20 and 2,651,691.60
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Solution
The fourth proportional to 5,845,651.20, 8,769,805.20 and 2,651,691.60 is: 3,978,139.99
Step by Step Solution
- Step 1: Write the proportion equation
5,845,651.20 : 8,769,805.20 = 2,651,691.60 : x - Step 2: Convert to fraction form
5,845,651.20/8,769,805.20 = 2,651,691.60/x - Step 3: Cross multiply
5,845,651.20x = 8,769,805.20 × 2,651,691.60 - Step 4: Simplify right side
5,845,651.20x = 23,254,818,782,476.32 - Step 5: Solve for x
x = 23,254,818,782,476.32/5,845,651.20 - Step 6: Final answer
x = 3,978,139.99
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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.