Finding the Fourth Proportional to 2,075,997.62, 2,864,877.11 and 1,170,579.62
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Solution
The fourth proportional to 2,075,997.62, 2,864,877.11 and 1,170,579.62 is: 1,615,400.09
Step by Step Solution
- Step 1: Write the proportion equation
2,075,997.62 : 2,864,877.11 = 1,170,579.62 : x - Step 2: Convert to fraction form
2,075,997.62/2,864,877.11 = 1,170,579.62/x - Step 3: Cross multiply
2,075,997.62x = 2,864,877.11 × 1,170,579.62 - Step 4: Simplify right side
2,075,997.62x = 3,353,566,738,593.21 - Step 5: Solve for x
x = 3,353,566,738,593.21/2,075,997.62 - Step 6: Final answer
x = 1,615,400.09
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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.