Finding the Fourth Proportional to 1,372,183.88, 1,893,613.75 and 835,639.88
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Solution
The fourth proportional to 1,372,183.88, 1,893,613.75 and 835,639.88 is: 1,153,183.03
Step by Step Solution
- Step 1: Write the proportion equation
1,372,183.88 : 1,893,613.75 = 835,639.88 : x - Step 2: Convert to fraction form
1,372,183.88/1,893,613.75 = 835,639.88/x - Step 3: Cross multiply
1,372,183.88x = 1,893,613.75 × 835,639.88 - Step 4: Simplify right side
1,372,183.88x = 1,582,379,155,259.18 - Step 5: Solve for x
x = 1,582,379,155,259.18/1,372,183.88 - Step 6: Final answer
x = 1,153,183.03
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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.