Finding the Fourth Proportional to 4,758,838.20, 7,129,596.78 and 4,248,654.84
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Solution
The fourth proportional to 4,758,838.20, 7,129,596.78 and 4,248,654.84 is: 6,365,250.21
Step by Step Solution
- Step 1: Write the proportion equation
4,758,838.20 : 7,129,596.78 = 4,248,654.84 : x - Step 2: Convert to fraction form
4,758,838.20/7,129,596.78 = 4,248,654.84/x - Step 3: Cross multiply
4,758,838.20x = 7,129,596.78 × 4,248,654.84 - Step 4: Simplify right side
4,758,838.20x = 30,291,195,866,595.41 - Step 5: Solve for x
x = 30,291,195,866,595.41/4,758,838.20 - Step 6: Final answer
x = 6,365,250.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.