Finding the Fourth Proportional to 4,923,378.04, 6,788,905.56 and 3,201,305.08
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Solution
The fourth proportional to 4,923,378.04, 6,788,905.56 and 3,201,305.08 is: 4,414,318.32
Step by Step Solution
- Step 1: Write the proportion equation
4,923,378.04 : 6,788,905.56 = 3,201,305.08 : x - Step 2: Convert to fraction form
4,923,378.04/6,788,905.56 = 3,201,305.08/x - Step 3: Cross multiply
4,923,378.04x = 6,788,905.56 × 3,201,305.08 - Step 4: Simplify right side
4,923,378.04x = 21,733,357,856,868.24 - Step 5: Solve for x
x = 21,733,357,856,868.24/4,923,378.04 - Step 6: Final answer
x = 4,414,318.32
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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.