Finding the Fourth Proportional to 3,618,331.24, 4,993,459.98 and 2,167,995.53
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Solution
The fourth proportional to 3,618,331.24, 4,993,459.98 and 2,167,995.53 is: 2,991,931.42
Step by Step Solution
- Step 1: Write the proportion equation
3,618,331.24 : 4,993,459.98 = 2,167,995.53 : x - Step 2: Convert to fraction form
3,618,331.24/4,993,459.98 = 2,167,995.53/x - Step 3: Cross multiply
3,618,331.24x = 4,993,459.98 × 2,167,995.53 - Step 4: Simplify right side
3,618,331.24x = 10,825,798,932,422.53 - Step 5: Solve for x
x = 10,825,798,932,422.53/3,618,331.24 - Step 6: Final answer
x = 2,991,931.42
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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.