Finding the Fourth Proportional to 1,738,659.20, 2,604,489.60 and 1,206,780.80
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Solution
The fourth proportional to 1,738,659.20, 2,604,489.60 and 1,206,780.80 is: 1,807,742.45
Step by Step Solution
- Step 1: Write the proportion equation
1,738,659.20 : 2,604,489.60 = 1,206,780.80 : x - Step 2: Convert to fraction form
1,738,659.20/2,604,489.60 = 1,206,780.80/x - Step 3: Cross multiply
1,738,659.20x = 2,604,489.60 × 1,206,780.80 - Step 4: Simplify right side
1,738,659.20x = 3,143,048,043,079.68 - Step 5: Solve for x
x = 3,143,048,043,079.68/1,738,659.20 - Step 6: Final answer
x = 1,807,742.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.