Finding the Fourth Proportional to 4,846,372.80, 6,688,039.68 and 2,670,993.60
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Solution
The fourth proportional to 4,846,372.80, 6,688,039.68 and 2,670,993.60 is: 3,685,996.09
Step by Step Solution
- Step 1: Write the proportion equation
4,846,372.80 : 6,688,039.68 = 2,670,993.60 : x - Step 2: Convert to fraction form
4,846,372.80/6,688,039.68 = 2,670,993.60/x - Step 3: Cross multiply
4,846,372.80x = 6,688,039.68 × 2,670,993.60 - Step 4: Simplify right side
4,846,372.80x = 17,863,711,181,826.05 - Step 5: Solve for x
x = 17,863,711,181,826.05/4,846,372.80 - Step 6: Final answer
x = 3,685,996.09
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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.