Finding the Fourth Proportional to 4,446,861.48, 6,668,657.82 and 1,528,126.20
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Solution
The fourth proportional to 4,446,861.48, 6,668,657.82 and 1,528,126.20 is: 2,291,627.65
Step by Step Solution
- Step 1: Write the proportion equation
4,446,861.48 : 6,668,657.82 = 1,528,126.20 : x - Step 2: Convert to fraction form
4,446,861.48/6,668,657.82 = 1,528,126.20/x - Step 3: Cross multiply
4,446,861.48x = 6,668,657.82 × 1,528,126.20 - Step 4: Simplify right side
4,446,861.48x = 10,190,550,733,576.88 - Step 5: Solve for x
x = 10,190,550,733,576.88/4,446,861.48 - Step 6: Final answer
x = 2,291,627.65
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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.