Finding the Fourth Proportional to 2,240,857.13, 3,092,382.84 and 1,222,261.88
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Solution
The fourth proportional to 2,240,857.13, 3,092,382.84 and 1,222,261.88 is: 1,686,721.39
Step by Step Solution
- Step 1: Write the proportion equation
2,240,857.13 : 3,092,382.84 = 1,222,261.88 : x - Step 2: Convert to fraction form
2,240,857.13/3,092,382.84 = 1,222,261.88/x - Step 3: Cross multiply
2,240,857.13x = 3,092,382.84 × 1,222,261.88 - Step 4: Simplify right side
2,240,857.13x = 3,779,701,648,236.22 - Step 5: Solve for x
x = 3,779,701,648,236.22/2,240,857.13 - Step 6: Final answer
x = 1,686,721.39
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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.