Finding the Fourth Proportional to 2,271,968.08, 3,135,298.44 and 1,253,415.76
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Solution
The fourth proportional to 2,271,968.08, 3,135,298.44 and 1,253,415.76 is: 1,729,704.09
Step by Step Solution
- Step 1: Write the proportion equation
2,271,968.08 : 3,135,298.44 = 1,253,415.76 : x - Step 2: Convert to fraction form
2,271,968.08/3,135,298.44 = 1,253,415.76/x - Step 3: Cross multiply
2,271,968.08x = 3,135,298.44 × 1,253,415.76 - Step 4: Simplify right side
2,271,968.08x = 3,929,832,476,999.41 - Step 5: Solve for x
x = 3,929,832,476,999.41/2,271,968.08 - Step 6: Final answer
x = 1,729,704.09
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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.