Finding the Fourth Proportional to 1,761,682.75, 2,431,124.63 and 956,866.75
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Solution
The fourth proportional to 1,761,682.75, 2,431,124.63 and 956,866.75 is: 1,320,477.43
Step by Step Solution
- Step 1: Write the proportion equation
1,761,682.75 : 2,431,124.63 = 956,866.75 : x - Step 2: Convert to fraction form
1,761,682.75/2,431,124.63 = 956,866.75/x - Step 3: Cross multiply
1,761,682.75x = 2,431,124.63 × 956,866.75 - Step 4: Simplify right side
1,761,682.75x = 2,326,262,318,768.72 - Step 5: Solve for x
x = 2,326,262,318,768.72/1,761,682.75 - Step 6: Final answer
x = 1,320,477.43
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1.5x scale
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.