Finding the Fourth Proportional to 4,211,126.12, 5,811,371.52 and 2,277,386.72
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Solution
The fourth proportional to 4,211,126.12, 5,811,371.52 and 2,277,386.72 is: 3,142,803.12
Step by Step Solution
- Step 1: Write the proportion equation
4,211,126.12 : 5,811,371.52 = 2,277,386.72 : x - Step 2: Convert to fraction form
4,211,126.12/5,811,371.52 = 2,277,386.72/x - Step 3: Cross multiply
4,211,126.12x = 5,811,371.52 × 2,277,386.72 - Step 4: Simplify right side
4,211,126.12x = 13,234,740,295,577.36 - Step 5: Solve for x
x = 13,234,740,295,577.36/4,211,126.12 - Step 6: Final answer
x = 3,142,803.12
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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.