Finding the Fourth Proportional to 3,772,326.97, 5,205,936.82 and 2,118,765.03
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Solution
The fourth proportional to 3,772,326.97, 5,205,936.82 and 2,118,765.03 is: 2,923,966.29
Step by Step Solution
- Step 1: Write the proportion equation
3,772,326.97 : 5,205,936.82 = 2,118,765.03 : x - Step 2: Convert to fraction form
3,772,326.97/5,205,936.82 = 2,118,765.03/x - Step 3: Cross multiply
3,772,326.97x = 5,205,936.82 × 2,118,765.03 - Step 4: Simplify right side
3,772,326.97x = 11,030,156,888,935.48 - Step 5: Solve for x
x = 11,030,156,888,935.48/3,772,326.97 - Step 6: Final answer
x = 2,923,966.29
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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.