Finding the Fourth Proportional to 2,689,380.92, 3,711,237.32 and 1,465,660.10
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Solution
The fourth proportional to 2,689,380.92, 3,711,237.32 and 1,465,660.10 is: 2,022,551.88
Step by Step Solution
- Step 1: Write the proportion equation
2,689,380.92 : 3,711,237.32 = 1,465,660.10 : x - Step 2: Convert to fraction form
2,689,380.92/3,711,237.32 = 1,465,660.10/x - Step 3: Cross multiply
2,689,380.92x = 3,711,237.32 × 1,465,660.10 - Step 4: Simplify right side
2,689,380.92x = 5,439,412,435,670.44 - Step 5: Solve for x
x = 5,439,412,435,670.44/2,689,380.92 - Step 6: Final answer
x = 2,022,551.88
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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.