Finding the Fourth Proportional to 4,987,528.71, 6,882,786.62 and 2,695,689.40
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Solution
The fourth proportional to 4,987,528.71, 6,882,786.62 and 2,695,689.40 is: 3,720,049.74
Step by Step Solution
- Step 1: Write the proportion equation
4,987,528.71 : 6,882,786.62 = 2,695,689.40 : x - Step 2: Convert to fraction form
4,987,528.71/6,882,786.62 = 2,695,689.40/x - Step 3: Cross multiply
4,987,528.71x = 6,882,786.62 × 2,695,689.40 - Step 4: Simplify right side
4,987,528.71x = 18,553,854,903,310.41 - Step 5: Solve for x
x = 18,553,854,903,310.41/4,987,528.71 - Step 6: Final answer
x = 3,720,049.74
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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.