Finding the Fourth Proportional to 5,390,969.60, 8,084,121.60 and 2,195,033.60
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Solution
The fourth proportional to 5,390,969.60, 8,084,121.60 and 2,195,033.60 is: 3,291,600.56
Step by Step Solution
- Step 1: Write the proportion equation
5,390,969.60 : 8,084,121.60 = 2,195,033.60 : x - Step 2: Convert to fraction form
5,390,969.60/8,084,121.60 = 2,195,033.60/x - Step 3: Cross multiply
5,390,969.60x = 8,084,121.60 × 2,195,033.60 - Step 4: Simplify right side
5,390,969.60x = 17,744,918,538,485.76 - Step 5: Solve for x
x = 17,744,918,538,485.76/5,390,969.60 - Step 6: Final answer
x = 3,291,600.56
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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.