Finding the Fourth Proportional to 6,896,928.96, 9,517,759.74 and 3,998,002.68
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Solution
The fourth proportional to 6,896,928.96, 9,517,759.74 and 3,998,002.68 is: 5,517,242.41
Step by Step Solution
- Step 1: Write the proportion equation
6,896,928.96 : 9,517,759.74 = 3,998,002.68 : x - Step 2: Convert to fraction form
6,896,928.96/9,517,759.74 = 3,998,002.68/x - Step 3: Cross multiply
6,896,928.96x = 9,517,759.74 × 3,998,002.68 - Step 4: Simplify right side
6,896,928.96x = 38,052,028,948,116.11 - Step 5: Solve for x
x = 38,052,028,948,116.11/6,896,928.96 - Step 6: Final answer
x = 5,517,242.41
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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.