Finding the Fourth Proportional to 4,029,642.36, 5,561,006.10 and 2,194,201.20
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Solution
The fourth proportional to 4,029,642.36, 5,561,006.10 and 2,194,201.20 is: 3,028,051.91
Step by Step Solution
- Step 1: Write the proportion equation
4,029,642.36 : 5,561,006.10 = 2,194,201.20 : x - Step 2: Convert to fraction form
4,029,642.36/5,561,006.10 = 2,194,201.20/x - Step 3: Cross multiply
4,029,642.36x = 5,561,006.10 × 2,194,201.20 - Step 4: Simplify right side
4,029,642.36x = 12,201,966,257,827.32 - Step 5: Solve for x
x = 12,201,966,257,827.32/4,029,642.36 - Step 6: Final answer
x = 3,028,051.91
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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.