Finding the Fourth Proportional to 5,376,745.20, 8,065,117.80 and 3,473,180.40
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Solution
The fourth proportional to 5,376,745.20, 8,065,117.80 and 3,473,180.40 is: 5,209,770.60
Step by Step Solution
- Step 1: Write the proportion equation
5,376,745.20 : 8,065,117.80 = 3,473,180.40 : x - Step 2: Convert to fraction form
5,376,745.20/8,065,117.80 = 3,473,180.40/x - Step 3: Cross multiply
5,376,745.20x = 8,065,117.80 × 3,473,180.40 - Step 4: Simplify right side
5,376,745.20x = 28,011,609,066,651.12 - Step 5: Solve for x
x = 28,011,609,066,651.12/5,376,745.20 - Step 6: Final answer
x = 5,209,770.60
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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.