Finding the Fourth Proportional to 2,315,637.12, 3,197,138.64 and 1,445,796.12
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Solution
The fourth proportional to 2,315,637.12, 3,197,138.64 and 1,445,796.12 is: 1,996,172.28
Step by Step Solution
- Step 1: Write the proportion equation
2,315,637.12 : 3,197,138.64 = 1,445,796.12 : x - Step 2: Convert to fraction form
2,315,637.12/3,197,138.64 = 1,445,796.12/x - Step 3: Cross multiply
2,315,637.12x = 3,197,138.64 × 1,445,796.12 - Step 4: Simplify right side
2,315,637.12x = 4,622,410,640,814.08 - Step 5: Solve for x
x = 4,622,410,640,814.08/2,315,637.12 - Step 6: Final answer
x = 1,996,172.28
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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.