Finding the Fourth Proportional to 4,628,505.02, 6,941,416.77 and 1,389,911.99
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Solution
The fourth proportional to 4,628,505.02, 6,941,416.77 and 1,389,911.99 is: 2,084,465.36
Step by Step Solution
- Step 1: Write the proportion equation
4,628,505.02 : 6,941,416.77 = 1,389,911.99 : x - Step 2: Convert to fraction form
4,628,505.02/6,941,416.77 = 1,389,911.99/x - Step 3: Cross multiply
4,628,505.02x = 6,941,416.77 × 1,389,911.99 - Step 4: Simplify right side
4,628,505.02x = 9,647,958,361,502.99 - Step 5: Solve for x
x = 9,647,958,361,502.99/4,628,505.02 - Step 6: Final answer
x = 2,084,465.36
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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.