Finding the Fourth Proportional to 2,229,448.88, 3,076,536.49 and 1,262,586.09
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Solution
The fourth proportional to 2,229,448.88, 3,076,536.49 and 1,262,586.09 is: 1,742,310.50
Step by Step Solution
- Step 1: Write the proportion equation
2,229,448.88 : 3,076,536.49 = 1,262,586.09 : x - Step 2: Convert to fraction form
2,229,448.88/3,076,536.49 = 1,262,586.09/x - Step 3: Cross multiply
2,229,448.88x = 3,076,536.49 × 1,262,586.09 - Step 4: Simplify right side
2,229,448.88x = 3,884,392,174,494.96 - Step 5: Solve for x
x = 3,884,392,174,494.96/2,229,448.88 - Step 6: Final answer
x = 1,742,310.50
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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.