Finding the Fourth Proportional to 2,388,891.60, 3,296,556.81 and 1,301,157.99
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Solution
The fourth proportional to 2,388,891.60, 3,296,556.81 and 1,301,157.99 is: 1,795,536.15
Step by Step Solution
- Step 1: Write the proportion equation
2,388,891.60 : 3,296,556.81 = 1,301,157.99 : x - Step 2: Convert to fraction form
2,388,891.60/3,296,556.81 = 1,301,157.99/x - Step 3: Cross multiply
2,388,891.60x = 3,296,556.81 × 1,301,157.99 - Step 4: Simplify right side
2,388,891.60x = 4,289,341,232,820.41 - Step 5: Solve for x
x = 4,289,341,232,820.41/2,388,891.60 - Step 6: Final answer
x = 1,795,536.15
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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.