Finding the Fourth Proportional to 5,384,688.08, 7,431,673.80 and 3,453,129.68
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Solution
The fourth proportional to 5,384,688.08, 7,431,673.80 and 3,453,129.68 is: 4,765,834.71
Step by Step Solution
- Step 1: Write the proportion equation
5,384,688.08 : 7,431,673.80 = 3,453,129.68 : x - Step 2: Convert to fraction form
5,384,688.08/7,431,673.80 = 3,453,129.68/x - Step 3: Cross multiply
5,384,688.08x = 7,431,673.80 × 3,453,129.68 - Step 4: Simplify right side
5,384,688.08x = 25,662,533,370,858.38 - Step 5: Solve for x
x = 25,662,533,370,858.38/5,384,688.08 - Step 6: Final answer
x = 4,765,834.71
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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.