Finding the Fourth Proportional to 4,847,334.18, 6,686,862.84 and 3,699,421.62
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Solution
The fourth proportional to 4,847,334.18, 6,686,862.84 and 3,699,421.62 is: 5,103,325.67
Step by Step Solution
- Step 1: Write the proportion equation
4,847,334.18 : 6,686,862.84 = 3,699,421.62 : x - Step 2: Convert to fraction form
4,847,334.18/6,686,862.84 = 3,699,421.62/x - Step 3: Cross multiply
4,847,334.18x = 6,686,862.84 × 3,699,421.62 - Step 4: Simplify right side
4,847,334.18x = 24,737,524,960,270.60 - Step 5: Solve for x
x = 24,737,524,960,270.60/4,847,334.18 - Step 6: Final answer
x = 5,103,325.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.