Finding the Fourth Proportional to 1,977,301.96, 2,728,640.58 and 1,117,862.48
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Solution
The fourth proportional to 1,977,301.96, 2,728,640.58 and 1,117,862.48 is: 1,542,629.80
Step by Step Solution
- Step 1: Write the proportion equation
1,977,301.96 : 2,728,640.58 = 1,117,862.48 : x - Step 2: Convert to fraction form
1,977,301.96/2,728,640.58 = 1,117,862.48/x - Step 3: Cross multiply
1,977,301.96x = 2,728,640.58 × 1,117,862.48 - Step 4: Simplify right side
1,977,301.96x = 3,050,244,925,787.44 - Step 5: Solve for x
x = 3,050,244,925,787.44/1,977,301.96 - Step 6: Final answer
x = 1,542,629.80
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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.