Finding the Fourth Proportional to 5,477,436.11, 8,216,901.86 and 2,281,814.96
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Solution
The fourth proportional to 5,477,436.11, 8,216,901.86 and 2,281,814.96 is: 3,423,033.91
Step by Step Solution
- Step 1: Write the proportion equation
5,477,436.11 : 8,216,901.86 = 2,281,814.96 : x - Step 2: Convert to fraction form
5,477,436.11/8,216,901.86 = 2,281,814.96/x - Step 3: Cross multiply
5,477,436.11x = 8,216,901.86 × 2,281,814.96 - Step 4: Simplify right side
5,477,436.11x = 18,749,449,536,506.24 - Step 5: Solve for x
x = 18,749,449,536,506.24/5,477,436.11 - Step 6: Final answer
x = 3,423,033.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.