Finding the Fourth Proportional to 2,361,918.05, 3,258,324.32 and 1,394,400.18
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Solution
The fourth proportional to 2,361,918.05, 3,258,324.32 and 1,394,400.18 is: 1,923,609.51
Step by Step Solution
- Step 1: Write the proportion equation
2,361,918.05 : 3,258,324.32 = 1,394,400.18 : x - Step 2: Convert to fraction form
2,361,918.05/3,258,324.32 = 1,394,400.18/x - Step 3: Cross multiply
2,361,918.05x = 3,258,324.32 × 1,394,400.18 - Step 4: Simplify right side
2,361,918.05x = 4,543,408,011,334.38 - Step 5: Solve for x
x = 4,543,408,011,334.38/2,361,918.05 - Step 6: Final answer
x = 1,923,609.51
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1.5x scale
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.