Finding the Fourth Proportional to 5,397,839.97, 7,449,219.77 and 2,950,615.59
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Solution
The fourth proportional to 5,397,839.97, 7,449,219.77 and 2,950,615.59 is: 4,071,959.17
Step by Step Solution
- Step 1: Write the proportion equation
5,397,839.97 : 7,449,219.77 = 2,950,615.59 : x - Step 2: Convert to fraction form
5,397,839.97/7,449,219.77 = 2,950,615.59/x - Step 3: Cross multiply
5,397,839.97x = 7,449,219.77 × 2,950,615.59 - Step 4: Simplify right side
5,397,839.97x = 21,979,783,986,698.21 - Step 5: Solve for x
x = 21,979,783,986,698.21/5,397,839.97 - Step 6: Final answer
x = 4,071,959.17
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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.