Finding the Fourth Proportional to 6,439,976.97, 9,661,707.77 and 2,180,145.66
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Solution
The fourth proportional to 6,439,976.97, 9,661,707.77 and 2,180,145.66 is: 3,270,808.32
Step by Step Solution
- Step 1: Write the proportion equation
6,439,976.97 : 9,661,707.77 = 2,180,145.66 : x - Step 2: Convert to fraction form
6,439,976.97/9,661,707.77 = 2,180,145.66/x - Step 3: Cross multiply
6,439,976.97x = 9,661,707.77 × 2,180,145.66 - Step 4: Simplify right side
6,439,976.97x = 21,063,930,252,053.05 - Step 5: Solve for x
x = 21,063,930,252,053.05/6,439,976.97 - Step 6: Final answer
x = 3,270,808.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.