Finding the Fourth Proportional to 1,775,713.60, 2,660,508.60 and 827,138.80
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Solution
The fourth proportional to 1,775,713.60, 2,660,508.60 and 827,138.80 is: 1,239,281.99
Step by Step Solution
- Step 1: Write the proportion equation
1,775,713.60 : 2,660,508.60 = 827,138.80 : x - Step 2: Convert to fraction form
1,775,713.60/2,660,508.60 = 827,138.80/x - Step 3: Cross multiply
1,775,713.60x = 2,660,508.60 × 827,138.80 - Step 4: Simplify right side
1,775,713.60x = 2,200,609,890,793.68 - Step 5: Solve for x
x = 2,200,609,890,793.68/1,775,713.60 - Step 6: Final answer
x = 1,239,281.99
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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.