Finding the Fourth Proportional to 3,999,468.37, 5,519,227.08 and 2,163,886.38
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Solution
The fourth proportional to 3,999,468.37, 5,519,227.08 and 2,163,886.38 is: 2,986,141.95
Step by Step Solution
- Step 1: Write the proportion equation
3,999,468.37 : 5,519,227.08 = 2,163,886.38 : x - Step 2: Convert to fraction form
3,999,468.37/5,519,227.08 = 2,163,886.38/x - Step 3: Cross multiply
3,999,468.37x = 5,519,227.08 × 2,163,886.38 - Step 4: Simplify right side
3,999,468.37x = 11,942,980,278,943.04 - Step 5: Solve for x
x = 11,942,980,278,943.04/3,999,468.37 - Step 6: Final answer
x = 2,986,141.95
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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.