Finding the Fourth Proportional to 3,536,192.16, 4,879,977.84 and 1,926,560.16
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Solution
The fourth proportional to 3,536,192.16, 4,879,977.84 and 1,926,560.16 is: 2,658,670.81
Step by Step Solution
- Step 1: Write the proportion equation
3,536,192.16 : 4,879,977.84 = 1,926,560.16 : x - Step 2: Convert to fraction form
3,536,192.16/4,879,977.84 = 1,926,560.16/x - Step 3: Cross multiply
3,536,192.16x = 4,879,977.84 × 1,926,560.16 - Step 4: Simplify right side
3,536,192.16x = 9,401,570,888,226.85 - Step 5: Solve for x
x = 9,401,570,888,226.85/3,536,192.16 - Step 6: Final answer
x = 2,658,670.81
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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.