Finding the Fourth Proportional to 2,689,381.44, 3,711,282.48 and 1,465,725.60
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Solution
The fourth proportional to 2,689,381.44, 3,711,282.48 and 1,465,725.60 is: 2,022,666.50
Step by Step Solution
- Step 1: Write the proportion equation
2,689,381.44 : 3,711,282.48 = 1,465,725.60 : x - Step 2: Convert to fraction form
2,689,381.44/3,711,282.48 = 1,465,725.60/x - Step 3: Cross multiply
2,689,381.44x = 3,711,282.48 × 1,465,725.60 - Step 4: Simplify right side
2,689,381.44x = 5,439,721,739,767.49 - Step 5: Solve for x
x = 5,439,721,739,767.49/2,689,381.44 - Step 6: Final answer
x = 2,022,666.50
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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.