Finding the Fourth Proportional to 4,153,182.12, 5,731,380.57 and 2,317,621.09
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Solution
The fourth proportional to 4,153,182.12, 5,731,380.57 and 2,317,621.09 is: 3,198,311.11
Step by Step Solution
- Step 1: Write the proportion equation
4,153,182.12 : 5,731,380.57 = 2,317,621.09 : x - Step 2: Convert to fraction form
4,153,182.12/5,731,380.57 = 2,317,621.09/x - Step 3: Cross multiply
4,153,182.12x = 5,731,380.57 × 2,317,621.09 - Step 4: Simplify right side
4,153,182.12x = 13,283,168,483,848.22 - Step 5: Solve for x
x = 13,283,168,483,848.22/4,153,182.12 - Step 6: Final answer
x = 3,198,311.11
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1.5x scale
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.