Finding the Fourth Proportional to 5,498,255.40, 8,249,456.70 and 2,660,879.40
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Solution
The fourth proportional to 5,498,255.40, 8,249,456.70 and 2,660,879.40 is: 3,992,322.62
Step by Step Solution
- Step 1: Write the proportion equation
5,498,255.40 : 8,249,456.70 = 2,660,879.40 : x - Step 2: Convert to fraction form
5,498,255.40/8,249,456.70 = 2,660,879.40/x - Step 3: Cross multiply
5,498,255.40x = 8,249,456.70 × 2,660,879.40 - Step 4: Simplify right side
5,498,255.40x = 21,950,809,394,221.98 - Step 5: Solve for x
x = 21,950,809,394,221.98/5,498,255.40 - Step 6: Final answer
x = 3,992,322.62
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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.