Finding the Fourth Proportional to 6,510,990.93, 8,984,520.09 and 3,758,565.09
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Solution
The fourth proportional to 6,510,990.93, 8,984,520.09 and 3,758,565.09 is: 5,186,446.11
Step by Step Solution
- Step 1: Write the proportion equation
6,510,990.93 : 8,984,520.09 = 3,758,565.09 : x - Step 2: Convert to fraction form
6,510,990.93/8,984,520.09 = 3,758,565.09/x - Step 3: Cross multiply
6,510,990.93x = 8,984,520.09 × 3,758,565.09 - Step 4: Simplify right side
6,510,990.93x = 33,768,903,560,677.66 - Step 5: Solve for x
x = 33,768,903,560,677.66/6,510,990.93 - Step 6: Final answer
x = 5,186,446.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.