Finding the Fourth Proportional to 4,338,962.02, 5,987,816.30 and 2,478,623.90
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Solution
The fourth proportional to 4,338,962.02, 5,987,816.30 and 2,478,623.90 is: 3,420,528.81
Step by Step Solution
- Step 1: Write the proportion equation
4,338,962.02 : 5,987,816.30 = 2,478,623.90 : x - Step 2: Convert to fraction form
4,338,962.02/5,987,816.30 = 2,478,623.90/x - Step 3: Cross multiply
4,338,962.02x = 5,987,816.30 × 2,478,623.90 - Step 4: Simplify right side
4,338,962.02x = 14,841,544,589,989.57 - Step 5: Solve for x
x = 14,841,544,589,989.57/4,338,962.02 - Step 6: Final answer
x = 3,420,528.81
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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.