Finding the Fourth Proportional to 1,780,918.12, 2,457,982.74 and 1,350,472.60
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Solution
The fourth proportional to 1,780,918.12, 2,457,982.74 and 1,350,472.60 is: 1,863,891.61
Step by Step Solution
- Step 1: Write the proportion equation
1,780,918.12 : 2,457,982.74 = 1,350,472.60 : x - Step 2: Convert to fraction form
1,780,918.12/2,457,982.74 = 1,350,472.60/x - Step 3: Cross multiply
1,780,918.12x = 2,457,982.74 × 1,350,472.60 - Step 4: Simplify right side
1,780,918.12x = 3,319,438,341,642.92 - Step 5: Solve for x
x = 3,319,438,341,642.92/1,780,918.12 - Step 6: Final answer
x = 1,863,891.61
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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.