Finding the Fourth Proportional to 2,271,923.15, 3,135,203.48 and 1,253,327.63
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Solution
The fourth proportional to 2,271,923.15, 3,135,203.48 and 1,253,327.63 is: 1,729,564.28
Step by Step Solution
- Step 1: Write the proportion equation
2,271,923.15 : 3,135,203.48 = 1,253,327.63 : x - Step 2: Convert to fraction form
2,271,923.15/3,135,203.48 = 1,253,327.63/x - Step 3: Cross multiply
2,271,923.15x = 3,135,203.48 × 1,253,327.63 - Step 4: Simplify right side
2,271,923.15x = 3,929,437,125,213.50 - Step 5: Solve for x
x = 3,929,437,125,213.50/2,271,923.15 - Step 6: Final answer
x = 1,729,564.28
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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.