Finding the Fourth Proportional to 1,539,198.18, 2,309,170.98 and 474,240.21
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Solution
The fourth proportional to 1,539,198.18, 2,309,170.98 and 474,240.21 is: 711,475.46
Step by Step Solution
- Step 1: Write the proportion equation
1,539,198.18 : 2,309,170.98 = 474,240.21 : x - Step 2: Convert to fraction form
1,539,198.18/2,309,170.98 = 474,240.21/x - Step 3: Cross multiply
1,539,198.18x = 2,309,170.98 × 474,240.21 - Step 4: Simplify right side
1,539,198.18x = 1,095,101,730,481.11 - Step 5: Solve for x
x = 1,095,101,730,481.11/1,539,198.18 - Step 6: Final answer
x = 711,475.46
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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.