Finding the Fourth Proportional to 5,378,512.97, 7,422,348.05 and 2,964,064.97
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Solution
The fourth proportional to 5,378,512.97, 7,422,348.05 and 2,964,064.97 is: 4,090,409.74
Step by Step Solution
- Step 1: Write the proportion equation
5,378,512.97 : 7,422,348.05 = 2,964,064.97 : x - Step 2: Convert to fraction form
5,378,512.97/7,422,348.05 = 2,964,064.97/x - Step 3: Cross multiply
5,378,512.97x = 7,422,348.05 × 2,964,064.97 - Step 4: Simplify right side
5,378,512.97x = 22,000,321,850,152.81 - Step 5: Solve for x
x = 22,000,321,850,152.81/5,378,512.97 - Step 6: Final answer
x = 4,090,409.74
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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.