Finding the Fourth Proportional to 4,449,830.31, 6,670,786.85 and 1,609,310.91
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Solution
The fourth proportional to 4,449,830.31, 6,670,786.85 and 1,609,310.91 is: 2,412,534.70
Step by Step Solution
- Step 1: Write the proportion equation
4,449,830.31 : 6,670,786.85 = 1,609,310.91 : x - Step 2: Convert to fraction form
4,449,830.31/6,670,786.85 = 1,609,310.91/x - Step 3: Cross multiply
4,449,830.31x = 6,670,786.85 × 1,609,310.91 - Step 4: Simplify right side
4,449,830.31x = 10,735,370,047,942.98 - Step 5: Solve for x
x = 10,735,370,047,942.98/4,449,830.31 - Step 6: Final answer
x = 2,412,534.70
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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.