Finding the Fourth Proportional to 4,900,715.87, 6,761,996.84 and 2,863,131.71
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Solution
The fourth proportional to 4,900,715.87, 6,761,996.84 and 2,863,131.71 is: 3,950,542.75
Step by Step Solution
- Step 1: Write the proportion equation
4,900,715.87 : 6,761,996.84 = 2,863,131.71 : x - Step 2: Convert to fraction form
4,900,715.87/6,761,996.84 = 2,863,131.71/x - Step 3: Cross multiply
4,900,715.87x = 6,761,996.84 × 2,863,131.71 - Step 4: Simplify right side
4,900,715.87x = 19,360,487,548,871.64 - Step 5: Solve for x
x = 19,360,487,548,871.64/4,900,715.87 - Step 6: Final answer
x = 3,950,542.75
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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.