Finding the Fourth Proportional to 2,271,913.58, 3,135,190.29 and 1,253,318.06
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Solution
The fourth proportional to 2,271,913.58, 3,135,190.29 and 1,253,318.06 is: 1,729,551.09
Step by Step Solution
- Step 1: Write the proportion equation
2,271,913.58 : 3,135,190.29 = 1,253,318.06 : x - Step 2: Convert to fraction form
2,271,913.58/3,135,190.29 = 1,253,318.06/x - Step 3: Cross multiply
2,271,913.58x = 3,135,190.29 × 1,253,318.06 - Step 4: Simplify right side
2,271,913.58x = 3,929,390,615,131.67 - Step 5: Solve for x
x = 3,929,390,615,131.67/2,271,913.58 - Step 6: Final answer
x = 1,729,551.09
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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.