Finding the Fourth Proportional to 3,517,924.65, 4,854,753.99 and 1,989,998.97
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Solution
The fourth proportional to 3,517,924.65, 4,854,753.99 and 1,989,998.97 is: 2,746,208.75
Step by Step Solution
- Step 1: Write the proportion equation
3,517,924.65 : 4,854,753.99 = 1,989,998.97 : x - Step 2: Convert to fraction form
3,517,924.65/4,854,753.99 = 1,989,998.97/x - Step 3: Cross multiply
3,517,924.65x = 4,854,753.99 × 1,989,998.97 - Step 4: Simplify right side
3,517,924.65x = 9,660,955,439,703.39 - Step 5: Solve for x
x = 9,660,955,439,703.39/3,517,924.65 - Step 6: Final answer
x = 2,746,208.75
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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.