Finding the Fourth Proportional to 5,305,708.57, 7,321,394.70 and 3,070,099.70
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Solution
The fourth proportional to 5,305,708.57, 7,321,394.70 and 3,070,099.70 is: 4,236,458.03
Step by Step Solution
- Step 1: Write the proportion equation
5,305,708.57 : 7,321,394.70 = 3,070,099.70 : x - Step 2: Convert to fraction form
5,305,708.57/7,321,394.70 = 3,070,099.70/x - Step 3: Cross multiply
5,305,708.57x = 7,321,394.70 × 3,070,099.70 - Step 4: Simplify right side
5,305,708.57x = 22,477,411,672,051.59 - Step 5: Solve for x
x = 22,477,411,672,051.59/5,305,708.57 - Step 6: Final answer
x = 4,236,458.03
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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.