Finding the Fourth Proportional to 1,651,161.60, 2,474,409.60 and 1,221,343.20
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Solution
The fourth proportional to 1,651,161.60, 2,474,409.60 and 1,221,343.20 is: 1,830,289.26
Step by Step Solution
- Step 1: Write the proportion equation
1,651,161.60 : 2,474,409.60 = 1,221,343.20 : x - Step 2: Convert to fraction form
1,651,161.60/2,474,409.60 = 1,221,343.20/x - Step 3: Cross multiply
1,651,161.60x = 2,474,409.60 × 1,221,343.20 - Step 4: Simplify right side
1,651,161.60x = 3,022,103,338,974.72 - Step 5: Solve for x
x = 3,022,103,338,974.72/1,651,161.60 - Step 6: Final answer
x = 1,830,289.26
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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.