Finding the Fourth Proportional to 4,520,514.80, 6,238,422.96 and 2,455,529.76
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Solution
The fourth proportional to 4,520,514.80, 6,238,422.96 and 2,455,529.76 is: 3,388,692.20
Step by Step Solution
- Step 1: Write the proportion equation
4,520,514.80 : 6,238,422.96 = 2,455,529.76 : x - Step 2: Convert to fraction form
4,520,514.80/6,238,422.96 = 2,455,529.76/x - Step 3: Cross multiply
4,520,514.80x = 6,238,422.96 × 2,455,529.76 - Step 4: Simplify right side
4,520,514.80x = 15,318,633,233,747.29 - Step 5: Solve for x
x = 15,318,633,233,747.29/4,520,514.80 - Step 6: Final answer
x = 3,388,692.20
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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.