Finding the Fourth Proportional to 2,229,633.74, 3,076,029.17 and 1,577,218.84
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Solution
The fourth proportional to 2,229,633.74, 3,076,029.17 and 1,577,218.84 is: 2,175,949.82
Step by Step Solution
- Step 1: Write the proportion equation
2,229,633.74 : 3,076,029.17 = 1,577,218.84 : x - Step 2: Convert to fraction form
2,229,633.74/3,076,029.17 = 1,577,218.84/x - Step 3: Cross multiply
2,229,633.74x = 3,076,029.17 × 1,577,218.84 - Step 4: Simplify right side
2,229,633.74x = 4,851,571,149,651.97 - Step 5: Solve for x
x = 4,851,571,149,651.97/2,229,633.74 - Step 6: Final answer
x = 2,175,949.82
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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.