Finding the Fourth Proportional to 1,419,327.29, 2,128,203.25 and 472,180.97
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Solution
The fourth proportional to 1,419,327.29, 2,128,203.25 and 472,180.97 is: 708,009.40
Step by Step Solution
- Step 1: Write the proportion equation
1,419,327.29 : 2,128,203.25 = 472,180.97 : x - Step 2: Convert to fraction form
1,419,327.29/2,128,203.25 = 472,180.97/x - Step 3: Cross multiply
1,419,327.29x = 2,128,203.25 × 472,180.97 - Step 4: Simplify right side
1,419,327.29x = 1,004,897,063,120.68 - Step 5: Solve for x
x = 1,004,897,063,120.68/1,419,327.29 - Step 6: Final answer
x = 708,009.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.