Finding the Fourth Proportional to 1,532,883.16, 2,115,277.49 and 920,672.13
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Solution
The fourth proportional to 1,532,883.16, 2,115,277.49 and 920,672.13 is: 1,270,466.72
Step by Step Solution
- Step 1: Write the proportion equation
1,532,883.16 : 2,115,277.49 = 920,672.13 : x - Step 2: Convert to fraction form
1,532,883.16/2,115,277.49 = 920,672.13/x - Step 3: Cross multiply
1,532,883.16x = 2,115,277.49 × 920,672.13 - Step 4: Simplify right side
1,532,883.16x = 1,947,477,034,561.03 - Step 5: Solve for x
x = 1,947,477,034,561.03/1,532,883.16 - Step 6: Final answer
x = 1,270,466.72
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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.