Finding the Fourth Proportional to 1,691,927.40, 2,335,418.14 and 1,512,566.08
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Solution
The fourth proportional to 1,691,927.40, 2,335,418.14 and 1,512,566.08 is: 2,087,840.33
Step by Step Solution
- Step 1: Write the proportion equation
1,691,927.40 : 2,335,418.14 = 1,512,566.08 : x - Step 2: Convert to fraction form
1,691,927.40/2,335,418.14 = 1,512,566.08/x - Step 3: Cross multiply
1,691,927.40x = 2,335,418.14 × 1,512,566.08 - Step 4: Simplify right side
1,691,927.40x = 3,532,474,261,180.69 - Step 5: Solve for x
x = 3,532,474,261,180.69/1,691,927.40 - Step 6: Final answer
x = 2,087,840.33
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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.