Finding the Fourth Proportional to 3,221,078.67, 4,832,406.95 and 1,602,611.19
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Solution
The fourth proportional to 3,221,078.67, 4,832,406.95 and 1,602,611.19 is: 2,404,309.31
Step by Step Solution
- Step 1: Write the proportion equation
3,221,078.67 : 4,832,406.95 = 1,602,611.19 : x - Step 2: Convert to fraction form
3,221,078.67/4,832,406.95 = 1,602,611.19/x - Step 3: Cross multiply
3,221,078.67x = 4,832,406.95 × 1,602,611.19 - Step 4: Simplify right side
3,221,078.67x = 7,744,469,444,690.72 - Step 5: Solve for x
x = 7,744,469,444,690.72/3,221,078.67 - Step 6: Final answer
x = 2,404,309.31
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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.