Finding the Fourth Proportional to 3,536,479.27, 4,880,756.24 and 1,987,743.07
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Solution
The fourth proportional to 3,536,479.27, 4,880,756.24 and 1,987,743.07 is: 2,743,318.61
Step by Step Solution
- Step 1: Write the proportion equation
3,536,479.27 : 4,880,756.24 = 1,987,743.07 : x - Step 2: Convert to fraction form
3,536,479.27/4,880,756.24 = 1,987,743.07/x - Step 3: Cross multiply
3,536,479.27x = 4,880,756.24 × 1,987,743.07 - Step 4: Simplify right side
3,536,479.27x = 9,701,689,392,419.26 - Step 5: Solve for x
x = 9,701,689,392,419.26/3,536,479.27 - Step 6: Final answer
x = 2,743,318.61
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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.