Finding the Fourth Proportional to 4,846,334.69, 6,688,257.28 and 2,782,018.41
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Solution
The fourth proportional to 4,846,334.69, 6,688,257.28 and 2,782,018.41 is: 3,839,366.46
Step by Step Solution
- Step 1: Write the proportion equation
4,846,334.69 : 6,688,257.28 = 2,782,018.41 : x - Step 2: Convert to fraction form
4,846,334.69/6,688,257.28 = 2,782,018.41/x - Step 3: Cross multiply
4,846,334.69x = 6,688,257.28 × 2,782,018.41 - Step 4: Simplify right side
4,846,334.69x = 18,606,854,851,740.51 - Step 5: Solve for x
x = 18,606,854,851,740.51/4,846,334.69 - Step 6: Final answer
x = 3,839,366.46
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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.