Finding the Fourth Proportional to 4,811,686.04, 6,640,126.54 and 2,636,311.70
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Solution
The fourth proportional to 4,811,686.04, 6,640,126.54 and 2,636,311.70 is: 3,638,110.03
Step by Step Solution
- Step 1: Write the proportion equation
4,811,686.04 : 6,640,126.54 = 2,636,311.70 : x - Step 2: Convert to fraction form
4,811,686.04/6,640,126.54 = 2,636,311.70/x - Step 3: Cross multiply
4,811,686.04x = 6,640,126.54 × 2,636,311.70 - Step 4: Simplify right side
4,811,686.04x = 17,505,443,247,091.10 - Step 5: Solve for x
x = 17,505,443,247,091.10/4,811,686.04 - Step 6: Final answer
x = 3,638,110.03
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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.