Finding the Fourth Proportional to 1,415,684.41, 2,122,743.26 and 561,891.13
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Solution
The fourth proportional to 1,415,684.41, 2,122,743.26 and 561,891.13 is: 842,525.78
Step by Step Solution
- Step 1: Write the proportion equation
1,415,684.41 : 2,122,743.26 = 561,891.13 : x - Step 2: Convert to fraction form
1,415,684.41/2,122,743.26 = 561,891.13/x - Step 3: Cross multiply
1,415,684.41x = 2,122,743.26 × 561,891.13 - Step 4: Simplify right side
1,415,684.41x = 1,192,750,606,251.83 - Step 5: Solve for x
x = 1,192,750,606,251.83/1,415,684.41 - Step 6: Final answer
x = 842,525.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.