Finding the Fourth Proportional to 4,679,728.37, 6,457,431.51 and 2,745,283.13
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Solution
The fourth proportional to 4,679,728.37, 6,457,431.51 and 2,745,283.13 is: 3,788,142.47
Step by Step Solution
- Step 1: Write the proportion equation
4,679,728.37 : 6,457,431.51 = 2,745,283.13 : x - Step 2: Convert to fraction form
4,679,728.37/6,457,431.51 = 2,745,283.13/x - Step 3: Cross multiply
4,679,728.37x = 6,457,431.51 × 2,745,283.13 - Step 4: Simplify right side
4,679,728.37x = 17,727,477,787,533.43 - Step 5: Solve for x
x = 17,727,477,787,533.43/4,679,728.37 - Step 6: Final answer
x = 3,788,142.47
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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.