Finding the Fourth Proportional to 1,557,451.28, 2,149,742.42 and 913,010.96
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Solution
The fourth proportional to 1,557,451.28, 2,149,742.42 and 913,010.96 is: 1,260,224.58
Step by Step Solution
- Step 1: Write the proportion equation
1,557,451.28 : 2,149,742.42 = 913,010.96 : x - Step 2: Convert to fraction form
1,557,451.28/2,149,742.42 = 913,010.96/x - Step 3: Cross multiply
1,557,451.28x = 2,149,742.42 × 913,010.96 - Step 4: Simplify right side
1,557,451.28x = 1,962,738,375,323.16 - Step 5: Solve for x
x = 1,962,738,375,323.16/1,557,451.28 - Step 6: Final answer
x = 1,260,224.58
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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.