Finding the Fourth Proportional to 2,263,191.64, 3,122,968.26 and 1,296,362.68
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Solution
The fourth proportional to 2,263,191.64, 3,122,968.26 and 1,296,362.68 is: 1,788,845.20
Step by Step Solution
- Step 1: Write the proportion equation
2,263,191.64 : 3,122,968.26 = 1,296,362.68 : x - Step 2: Convert to fraction form
2,263,191.64/3,122,968.26 = 1,296,362.68/x - Step 3: Cross multiply
2,263,191.64x = 3,122,968.26 × 1,296,362.68 - Step 4: Simplify right side
2,263,191.64x = 4,048,499,500,142.48 - Step 5: Solve for x
x = 4,048,499,500,142.48/2,263,191.64 - Step 6: Final answer
x = 1,788,845.20
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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.