Finding the Fourth Proportional to 5,239,110.60, 7,857,629.10 and 2,543,430.60
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Solution
The fourth proportional to 5,239,110.60, 7,857,629.10 and 2,543,430.60 is: 3,814,642.56
Step by Step Solution
- Step 1: Write the proportion equation
5,239,110.60 : 7,857,629.10 = 2,543,430.60 : x - Step 2: Convert to fraction form
5,239,110.60/7,857,629.10 = 2,543,430.60/x - Step 3: Cross multiply
5,239,110.60x = 7,857,629.10 × 2,543,430.60 - Step 4: Simplify right side
5,239,110.60x = 19,985,334,296,390.46 - Step 5: Solve for x
x = 19,985,334,296,390.46/5,239,110.60 - Step 6: Final answer
x = 3,814,642.56
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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.