Finding the Fourth Proportional to 1,413,738.18, 2,120,629.18 and 1,341,960.84
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Solution
The fourth proportional to 1,413,738.18, 2,120,629.18 and 1,341,960.84 is: 2,012,962.06
Step by Step Solution
- Step 1: Write the proportion equation
1,413,738.18 : 2,120,629.18 = 1,341,960.84 : x - Step 2: Convert to fraction form
1,413,738.18/2,120,629.18 = 1,341,960.84/x - Step 3: Cross multiply
1,413,738.18x = 2,120,629.18 × 1,341,960.84 - Step 4: Simplify right side
1,413,738.18x = 2,845,801,315,721.31 - Step 5: Solve for x
x = 2,845,801,315,721.31/1,413,738.18 - Step 6: Final answer
x = 2,012,962.06
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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.