Finding the Fourth Proportional to 5,436,074.80, 8,154,079.80 and 1,392,554.80
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Solution
The fourth proportional to 5,436,074.80, 8,154,079.80 and 1,392,554.80 is: 2,088,823.90
Step by Step Solution
- Step 1: Write the proportion equation
5,436,074.80 : 8,154,079.80 = 1,392,554.80 : x - Step 2: Convert to fraction form
5,436,074.80/8,154,079.80 = 1,392,554.80/x - Step 3: Cross multiply
5,436,074.80x = 8,154,079.80 × 1,392,554.80 - Step 4: Simplify right side
5,436,074.80x = 11,355,002,965,073.04 - Step 5: Solve for x
x = 11,355,002,965,073.04/5,436,074.80 - Step 6: Final answer
x = 2,088,823.90
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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.