Finding the Fourth Proportional to 3,619,362.99, 5,429,041.40 and 923,687.99
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Solution
The fourth proportional to 3,619,362.99, 5,429,041.40 and 923,687.99 is: 1,385,531.20
Step by Step Solution
- Step 1: Write the proportion equation
3,619,362.99 : 5,429,041.40 = 923,687.99 : x - Step 2: Convert to fraction form
3,619,362.99/5,429,041.40 = 923,687.99/x - Step 3: Cross multiply
3,619,362.99x = 5,429,041.40 × 923,687.99 - Step 4: Simplify right side
3,619,362.99x = 5,014,740,333,915.70 - Step 5: Solve for x
x = 5,014,740,333,915.70/3,619,362.99 - Step 6: Final answer
x = 1,385,531.20
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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.