Finding the Fourth Proportional to 3,121,402.30, 4,682,415.30 and 846,962.80
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Solution
The fourth proportional to 3,121,402.30, 4,682,415.30 and 846,962.80 is: 1,270,528.82
Step by Step Solution
- Step 1: Write the proportion equation
3,121,402.30 : 4,682,415.30 = 846,962.80 : x - Step 2: Convert to fraction form
3,121,402.30/4,682,415.30 = 846,962.80/x - Step 3: Cross multiply
3,121,402.30x = 4,682,415.30 × 846,962.80 - Step 4: Simplify right side
3,121,402.30x = 3,965,831,573,250.84 - Step 5: Solve for x
x = 3,965,831,573,250.84/3,121,402.30 - Step 6: Final answer
x = 1,270,528.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.