Finding the Fourth Proportional to 3,206,511.92, 4,424,990.72 and 1,736,422.99
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Solution
The fourth proportional to 3,206,511.92, 4,424,990.72 and 1,736,422.99 is: 2,396,266.03
Step by Step Solution
- Step 1: Write the proportion equation
3,206,511.92 : 4,424,990.72 = 1,736,422.99 : x - Step 2: Convert to fraction form
3,206,511.92/4,424,990.72 = 1,736,422.99/x - Step 3: Cross multiply
3,206,511.92x = 4,424,990.72 × 1,736,422.99 - Step 4: Simplify right side
3,206,511.92x = 7,683,655,597,000.06 - Step 5: Solve for x
x = 7,683,655,597,000.06/3,206,511.92 - Step 6: Final answer
x = 2,396,266.03
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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.