Finding the Fourth Proportional to 1,694,921.80, 2,542,382.70 and 1,576,823.80
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Solution
The fourth proportional to 1,694,921.80, 2,542,382.70 and 1,576,823.80 is: 2,365,235.70
Step by Step Solution
- Step 1: Write the proportion equation
1,694,921.80 : 2,542,382.70 = 1,576,823.80 : x - Step 2: Convert to fraction form
1,694,921.80/2,542,382.70 = 1,576,823.80/x - Step 3: Cross multiply
1,694,921.80x = 2,542,382.70 × 1,576,823.80 - Step 4: Simplify right side
1,694,921.80x = 4,008,889,550,068.26 - Step 5: Solve for x
x = 4,008,889,550,068.26/1,694,921.80 - Step 6: Final answer
x = 2,365,235.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.