Finding the Fourth Proportional to 4,436,419.12, 6,122,276.80 and 2,399,228.64
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Solution
The fourth proportional to 4,436,419.12, 6,122,276.80 and 2,399,228.64 is: 3,310,945.48
Step by Step Solution
- Step 1: Write the proportion equation
4,436,419.12 : 6,122,276.80 = 2,399,228.64 : x - Step 2: Convert to fraction form
4,436,419.12/6,122,276.80 = 2,399,228.64/x - Step 3: Cross multiply
4,436,419.12x = 6,122,276.80 × 2,399,228.64 - Step 4: Simplify right side
4,436,419.12x = 14,688,741,840,567.55 - Step 5: Solve for x
x = 14,688,741,840,567.55/4,436,419.12 - Step 6: Final answer
x = 3,310,945.48
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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.