Finding the Fourth Proportional to 3,746,325.12, 5,169,928.32 and 2,027,445.99
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Solution
The fourth proportional to 3,746,325.12, 5,169,928.32 and 2,027,445.99 is: 2,797,875.28
Step by Step Solution
- Step 1: Write the proportion equation
3,746,325.12 : 5,169,928.32 = 2,027,445.99 : x - Step 2: Convert to fraction form
3,746,325.12/5,169,928.32 = 2,027,445.99/x - Step 3: Cross multiply
3,746,325.12x = 5,169,928.32 × 2,027,445.99 - Step 4: Simplify right side
3,746,325.12x = 10,481,750,440,971.44 - Step 5: Solve for x
x = 10,481,750,440,971.44/3,746,325.12 - Step 6: Final answer
x = 2,797,875.28
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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.