Finding the Fourth Proportional to 3,119,362.60, 4,679,043.90 and 2,694,209.80
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Solution
The fourth proportional to 3,119,362.60, 4,679,043.90 and 2,694,209.80 is: 4,041,314.70
Step by Step Solution
- Step 1: Write the proportion equation
3,119,362.60 : 4,679,043.90 = 2,694,209.80 : x - Step 2: Convert to fraction form
3,119,362.60/4,679,043.90 = 2,694,209.80/x - Step 3: Cross multiply
3,119,362.60x = 4,679,043.90 × 2,694,209.80 - Step 4: Simplify right side
3,119,362.60x = 12,606,325,930,010.22 - Step 5: Solve for x
x = 12,606,325,930,010.22/3,119,362.60 - Step 6: Final answer
x = 4,041,314.70
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1.5x scale
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.