Finding the Fourth Proportional to 3,960,403.26, 5,465,210.31 and 2,149,528.38
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Solution
The fourth proportional to 3,960,403.26, 5,465,210.31 and 2,149,528.38 is: 2,966,269.82
Step by Step Solution
- Step 1: Write the proportion equation
3,960,403.26 : 5,465,210.31 = 2,149,528.38 : x - Step 2: Convert to fraction form
3,960,403.26/5,465,210.31 = 2,149,528.38/x - Step 3: Cross multiply
3,960,403.26x = 5,465,210.31 × 2,149,528.38 - Step 4: Simplify right side
3,960,403.26x = 11,747,624,664,013.60 - Step 5: Solve for x
x = 11,747,624,664,013.60/3,960,403.26 - Step 6: Final answer
x = 2,966,269.82
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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.