Finding the Fourth Proportional to 1,982,216.25, 2,735,226.36 and 1,166,240.48
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Solution
The fourth proportional to 1,982,216.25, 2,735,226.36 and 1,166,240.48 is: 1,609,275.32
Step by Step Solution
- Step 1: Write the proportion equation
1,982,216.25 : 2,735,226.36 = 1,166,240.48 : x - Step 2: Convert to fraction form
1,982,216.25/2,735,226.36 = 1,166,240.48/x - Step 3: Cross multiply
1,982,216.25x = 2,735,226.36 × 1,166,240.48 - Step 4: Simplify right side
1,982,216.25x = 3,189,931,689,318.92 - Step 5: Solve for x
x = 3,189,931,689,318.92/1,982,216.25 - Step 6: Final answer
x = 1,609,275.32
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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.