Finding the Fourth Proportional to 4,994,762.88, 6,892,773.12 and 2,702,923.68
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Solution
The fourth proportional to 4,994,762.88, 6,892,773.12 and 2,702,923.68 is: 3,730,034.87
Step by Step Solution
- Step 1: Write the proportion equation
4,994,762.88 : 6,892,773.12 = 2,702,923.68 : x - Step 2: Convert to fraction form
4,994,762.88/6,892,773.12 = 2,702,923.68/x - Step 3: Cross multiply
4,994,762.88x = 6,892,773.12 × 2,702,923.68 - Step 4: Simplify right side
4,994,762.88x = 18,630,639,686,915.48 - Step 5: Solve for x
x = 18,630,639,686,915.48/4,994,762.88 - Step 6: Final answer
x = 3,730,034.87
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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.