Finding the Fourth Proportional to 5,263,918.02, 7,896,629.16 and 1,620,955.62
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Solution
The fourth proportional to 5,263,918.02, 7,896,629.16 and 1,620,955.62 is: 2,431,665.04
Step by Step Solution
- Step 1: Write the proportion equation
5,263,918.02 : 7,896,629.16 = 1,620,955.62 : x - Step 2: Convert to fraction form
5,263,918.02/7,896,629.16 = 1,620,955.62/x - Step 3: Cross multiply
5,263,918.02x = 7,896,629.16 × 1,620,955.62 - Step 4: Simplify right side
5,263,918.02x = 12,800,085,415,957.88 - Step 5: Solve for x
x = 12,800,085,415,957.88/5,263,918.02 - Step 6: Final answer
x = 2,431,665.04
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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.