Finding the Fourth Proportional to 4,989,874.56, 7,485,735.84 and 1,579,019.79
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Solution
The fourth proportional to 4,989,874.56, 7,485,735.84 and 1,579,019.79 is: 2,368,822.08
Step by Step Solution
- Step 1: Write the proportion equation
4,989,874.56 : 7,485,735.84 = 1,579,019.79 : x - Step 2: Convert to fraction form
4,989,874.56/7,485,735.84 = 1,579,019.79/x - Step 3: Cross multiply
4,989,874.56x = 7,485,735.84 × 1,579,019.79 - Step 4: Simplify right side
4,989,874.56x = 11,820,125,022,997.18 - Step 5: Solve for x
x = 11,820,125,022,997.18/4,989,874.56 - Step 6: Final answer
x = 2,368,822.08
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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.