Finding the Fourth Proportional to 3,145,487.87, 4,342,234.68 and 2,371,432.02
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Solution
The fourth proportional to 3,145,487.87, 4,342,234.68 and 2,371,432.02 is: 3,273,677.98
Step by Step Solution
- Step 1: Write the proportion equation
3,145,487.87 : 4,342,234.68 = 2,371,432.02 : x - Step 2: Convert to fraction form
3,145,487.87/4,342,234.68 = 2,371,432.02/x - Step 3: Cross multiply
3,145,487.87x = 4,342,234.68 × 2,371,432.02 - Step 4: Simplify right side
3,145,487.87x = 10,297,314,358,506.45 - Step 5: Solve for x
x = 10,297,314,358,506.45/3,145,487.87 - Step 6: Final answer
x = 3,273,677.98
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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.