Finding the Fourth Proportional to 3,435,894.62, 4,739,780.75 and 2,194,199.75
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Solution
The fourth proportional to 3,435,894.62, 4,739,780.75 and 2,194,199.75 is: 3,026,875.64
Step by Step Solution
- Step 1: Write the proportion equation
3,435,894.62 : 4,739,780.75 = 2,194,199.75 : x - Step 2: Convert to fraction form
3,435,894.62/4,739,780.75 = 2,194,199.75/x - Step 3: Cross multiply
3,435,894.62x = 4,739,780.75 × 2,194,199.75 - Step 4: Simplify right side
3,435,894.62x = 10,400,025,737,583.27 - Step 5: Solve for x
x = 10,400,025,737,583.27/3,435,894.62 - Step 6: Final answer
x = 3,026,875.64
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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.