Finding the Fourth Proportional to 4,846,335.20, 6,688,257.97 and 2,782,018.91
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Solution
The fourth proportional to 4,846,335.20, 6,688,257.97 and 2,782,018.91 is: 3,839,367.14
Step by Step Solution
- Step 1: Write the proportion equation
4,846,335.20 : 6,688,257.97 = 2,782,018.91 : x - Step 2: Convert to fraction form
4,846,335.20/6,688,257.97 = 2,782,018.91/x - Step 3: Cross multiply
4,846,335.20x = 6,688,257.97 × 2,782,018.91 - Step 4: Simplify right side
4,846,335.20x = 18,606,860,114,056.92 - Step 5: Solve for x
x = 18,606,860,114,056.92/4,846,335.20 - Step 6: Final answer
x = 3,839,367.14
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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.