Finding the Fourth Proportional to 4,687,515.97, 6,467,336.80 and 3,055,327.80
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Solution
The fourth proportional to 4,687,515.97, 6,467,336.80 and 3,055,327.80 is: 4,215,416.87
Step by Step Solution
- Step 1: Write the proportion equation
4,687,515.97 : 6,467,336.80 = 3,055,327.80 : x - Step 2: Convert to fraction form
4,687,515.97/6,467,336.80 = 3,055,327.80/x - Step 3: Cross multiply
4,687,515.97x = 6,467,336.80 × 3,055,327.80 - Step 4: Simplify right side
4,687,515.97x = 19,759,833,885,112.21 - Step 5: Solve for x
x = 19,759,833,885,112.21/4,687,515.97 - Step 6: Final answer
x = 4,215,416.87
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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.