Finding the Fourth Proportional to 3,910,481.70, 5,856,865.20 and 2,316,158.70
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Solution
The fourth proportional to 3,910,481.70, 5,856,865.20 and 2,316,158.70 is: 3,468,991.89
Step by Step Solution
- Step 1: Write the proportion equation
3,910,481.70 : 5,856,865.20 = 2,316,158.70 : x - Step 2: Convert to fraction form
3,910,481.70/5,856,865.20 = 2,316,158.70/x - Step 3: Cross multiply
3,910,481.70x = 5,856,865.20 × 2,316,158.70 - Step 4: Simplify right side
3,910,481.70x = 13,565,429,287,707.24 - Step 5: Solve for x
x = 13,565,429,287,707.24/3,910,481.70 - Step 6: Final answer
x = 3,468,991.89
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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.