Finding the Fourth Proportional to 4,577,198.20, 6,868,907.70 and 2,555,438.20
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Solution
The fourth proportional to 4,577,198.20, 6,868,907.70 and 2,555,438.20 is: 3,834,893.83
Step by Step Solution
- Step 1: Write the proportion equation
4,577,198.20 : 6,868,907.70 = 2,555,438.20 : x - Step 2: Convert to fraction form
4,577,198.20/6,868,907.70 = 2,555,438.20/x - Step 3: Cross multiply
4,577,198.20x = 6,868,907.70 × 2,555,438.20 - Step 4: Simplify right side
4,577,198.20x = 17,553,069,128,854.14 - Step 5: Solve for x
x = 17,553,069,128,854.14/4,577,198.20 - Step 6: Final answer
x = 3,834,893.83
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1.5x scale
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.