Finding the Fourth Proportional to 3,557,314.21, 4,909,087.94 and 1,925,721.13
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Solution
The fourth proportional to 3,557,314.21, 4,909,087.94 and 1,925,721.13 is: 2,657,492.09
Step by Step Solution
- Step 1: Write the proportion equation
3,557,314.21 : 4,909,087.94 = 1,925,721.13 : x - Step 2: Convert to fraction form
3,557,314.21/4,909,087.94 = 1,925,721.13/x - Step 3: Cross multiply
3,557,314.21x = 4,909,087.94 × 1,925,721.13 - Step 4: Simplify right side
3,557,314.21x = 9,453,534,375,086.17 - Step 5: Solve for x
x = 9,453,534,375,086.17/3,557,314.21 - Step 6: Final answer
x = 2,657,492.09
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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.