Finding the Fourth Proportional to 4,153,771.09, 6,230,606.50 and 1,079,489.60
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Solution
The fourth proportional to 4,153,771.09, 6,230,606.50 and 1,079,489.60 is: 1,619,221.37
Step by Step Solution
- Step 1: Write the proportion equation
4,153,771.09 : 6,230,606.50 = 1,079,489.60 : x - Step 2: Convert to fraction form
4,153,771.09/6,230,606.50 = 1,079,489.60/x - Step 3: Cross multiply
4,153,771.09x = 6,230,606.50 × 1,079,489.60 - Step 4: Simplify right side
4,153,771.09x = 6,725,874,918,442.40 - Step 5: Solve for x
x = 6,725,874,918,442.40/4,153,771.09 - Step 6: Final answer
x = 1,619,221.37
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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.