Finding the Fourth Proportional to 4,211,314.12, 5,811,617.36 and 2,277,574.70
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Solution
The fourth proportional to 4,211,314.12, 5,811,617.36 and 2,277,574.70 is: 3,143,055.17
Step by Step Solution
- Step 1: Write the proportion equation
4,211,314.12 : 5,811,617.36 = 2,277,574.70 : x - Step 2: Convert to fraction form
4,211,314.12/5,811,617.36 = 2,277,574.70/x - Step 3: Cross multiply
4,211,314.12x = 5,811,617.36 × 2,277,574.70 - Step 4: Simplify right side
4,211,314.12x = 13,236,392,624,770.83 - Step 5: Solve for x
x = 13,236,392,624,770.83/4,211,314.12 - Step 6: Final answer
x = 3,143,055.17
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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.