Finding the Fourth Proportional to 4,937,868.08, 7,405,264.67 and 1,742,245.55
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Solution
The fourth proportional to 4,937,868.08, 7,405,264.67 and 1,742,245.55 is: 2,612,825.85
Step by Step Solution
- Step 1: Write the proportion equation
4,937,868.08 : 7,405,264.67 = 1,742,245.55 : x - Step 2: Convert to fraction form
4,937,868.08/7,405,264.67 = 1,742,245.55/x - Step 3: Cross multiply
4,937,868.08x = 7,405,264.67 × 1,742,245.55 - Step 4: Simplify right side
4,937,868.08x = 12,901,789,372,142.17 - Step 5: Solve for x
x = 12,901,789,372,142.17/4,937,868.08 - Step 6: Final answer
x = 2,612,825.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.