Finding the Fourth Proportional to 4,657,715.74, 6,427,581.87 and 2,620,520.38
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Solution
The fourth proportional to 4,657,715.74, 6,427,581.87 and 2,620,520.38 is: 3,616,281.08
Step by Step Solution
- Step 1: Write the proportion equation
4,657,715.74 : 6,427,581.87 = 2,620,520.38 : x - Step 2: Convert to fraction form
4,657,715.74/6,427,581.87 = 2,620,520.38/x - Step 3: Cross multiply
4,657,715.74x = 6,427,581.87 × 2,620,520.38 - Step 4: Simplify right side
4,657,715.74x = 16,843,609,284,453.51 - Step 5: Solve for x
x = 16,843,609,284,453.51/4,657,715.74 - Step 6: Final answer
x = 3,616,281.08
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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.