Finding the Fourth Proportional to 4,273,069.11, 6,409,615.20 and 1,078,195.02
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Solution
The fourth proportional to 4,273,069.11, 6,409,615.20 and 1,078,195.02 is: 1,617,295.44
Step by Step Solution
- Step 1: Write the proportion equation
4,273,069.11 : 6,409,615.20 = 1,078,195.02 : x - Step 2: Convert to fraction form
4,273,069.11/6,409,615.20 = 1,078,195.02/x - Step 3: Cross multiply
4,273,069.11x = 6,409,615.20 × 1,078,195.02 - Step 4: Simplify right side
4,273,069.11x = 6,910,815,188,756.31 - Step 5: Solve for x
x = 6,910,815,188,756.31/4,273,069.11 - Step 6: Final answer
x = 1,617,295.44
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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.