Finding the Fourth Proportional to 5,160,466.39, 7,121,461.92 and 2,837,505.04
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Solution
The fourth proportional to 5,160,466.39, 7,121,461.92 and 2,837,505.04 is: 3,915,767.02
Step by Step Solution
- Step 1: Write the proportion equation
5,160,466.39 : 7,121,461.92 = 2,837,505.04 : x - Step 2: Convert to fraction form
5,160,466.39/7,121,461.92 = 2,837,505.04/x - Step 3: Cross multiply
5,160,466.39x = 7,121,461.92 × 2,837,505.04 - Step 4: Simplify right side
5,160,466.39x = 20,207,184,083,708.70 - Step 5: Solve for x
x = 20,207,184,083,708.70/5,160,466.39 - Step 6: Final answer
x = 3,915,767.02
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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.