Finding the Fourth Proportional to 3,418,594.07, 4,719,112.43 and 2,130,071.09
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Solution
The fourth proportional to 3,418,594.07, 4,719,112.43 and 2,130,071.09 is: 2,940,403.20
Step by Step Solution
- Step 1: Write the proportion equation
3,418,594.07 : 4,719,112.43 = 2,130,071.09 : x - Step 2: Convert to fraction form
3,418,594.07/4,719,112.43 = 2,130,071.09/x - Step 3: Cross multiply
3,418,594.07x = 4,719,112.43 × 2,130,071.09 - Step 4: Simplify right side
3,418,594.07x = 10,052,044,923,356.73 - Step 5: Solve for x
x = 10,052,044,923,356.73/3,418,594.07 - Step 6: Final answer
x = 2,940,403.20
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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.