Finding the Fourth Proportional to 4,320,623.53, 5,962,631.01 and 2,485,078.88
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Solution
The fourth proportional to 4,320,623.53, 5,962,631.01 and 2,485,078.88 is: 3,429,506.95
Step by Step Solution
- Step 1: Write the proportion equation
4,320,623.53 : 5,962,631.01 = 2,485,078.88 : x - Step 2: Convert to fraction form
4,320,623.53/5,962,631.01 = 2,485,078.88/x - Step 3: Cross multiply
4,320,623.53x = 5,962,631.01 × 2,485,078.88 - Step 4: Simplify right side
4,320,623.53x = 14,817,608,392,184.07 - Step 5: Solve for x
x = 14,817,608,392,184.07/4,320,623.53 - Step 6: Final answer
x = 3,429,506.95
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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.