Finding the Fourth Proportional to 5,160,824.07, 7,122,121.19 and 2,837,893.51
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Solution
The fourth proportional to 5,160,824.07, 7,122,121.19 and 2,837,893.51 is: 3,916,394.21
Step by Step Solution
- Step 1: Write the proportion equation
5,160,824.07 : 7,122,121.19 = 2,837,893.51 : x - Step 2: Convert to fraction form
5,160,824.07/7,122,121.19 = 2,837,893.51/x - Step 3: Cross multiply
5,160,824.07x = 7,122,121.19 × 2,837,893.51 - Step 4: Simplify right side
5,160,824.07x = 20,211,821,502,534.48 - Step 5: Solve for x
x = 20,211,821,502,534.48/5,160,824.07 - Step 6: Final answer
x = 3,916,394.21
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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.