Finding the Fourth Proportional to 1,403,742.38, 1,937,183.30 and 791,893.26
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Solution
The fourth proportional to 1,403,742.38, 1,937,183.30 and 791,893.26 is: 1,092,823.31
Step by Step Solution
- Step 1: Write the proportion equation
1,403,742.38 : 1,937,183.30 = 791,893.26 : x - Step 2: Convert to fraction form
1,403,742.38/1,937,183.30 = 791,893.26/x - Step 3: Cross multiply
1,403,742.38x = 1,937,183.30 × 791,893.26 - Step 4: Simplify right side
1,403,742.38x = 1,534,042,398,654.56 - Step 5: Solve for x
x = 1,534,042,398,654.56/1,403,742.38 - Step 6: Final answer
x = 1,092,823.31
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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.