Finding the Fourth Proportional to 3,328,340.80, 4,985,512.80 and 2,768,468.80
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Solution
The fourth proportional to 3,328,340.80, 4,985,512.80 and 2,768,468.80 is: 4,146,882.03
Step by Step Solution
- Step 1: Write the proportion equation
3,328,340.80 : 4,985,512.80 = 2,768,468.80 : x - Step 2: Convert to fraction form
3,328,340.80/4,985,512.80 = 2,768,468.80/x - Step 3: Cross multiply
3,328,340.80x = 4,985,512.80 × 2,768,468.80 - Step 4: Simplify right side
3,328,340.80x = 13,802,236,638,800.64 - Step 5: Solve for x
x = 13,802,236,638,800.64/3,328,340.80 - Step 6: Final answer
x = 4,146,882.03
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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.