Finding the Fourth Proportional to 5,076,689.18, 7,005,765.74 and 2,901,207.38
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Solution
The fourth proportional to 5,076,689.18, 7,005,765.74 and 2,901,207.38 is: 4,003,628.85
Step by Step Solution
- Step 1: Write the proportion equation
5,076,689.18 : 7,005,765.74 = 2,901,207.38 : x - Step 2: Convert to fraction form
5,076,689.18/7,005,765.74 = 2,901,207.38/x - Step 3: Cross multiply
5,076,689.18x = 7,005,765.74 × 2,901,207.38 - Step 4: Simplify right side
5,076,689.18x = 20,325,179,267,439.16 - Step 5: Solve for x
x = 20,325,179,267,439.16/5,076,689.18 - Step 6: Final answer
x = 4,003,628.85
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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.