Finding the Fourth Proportional to 4,189,979.88, 5,781,723.30 and 2,813,044.68
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Solution
The fourth proportional to 4,189,979.88, 5,781,723.30 and 2,813,044.68 is: 3,881,700.26
Step by Step Solution
- Step 1: Write the proportion equation
4,189,979.88 : 5,781,723.30 = 2,813,044.68 : x - Step 2: Convert to fraction form
4,189,979.88/5,781,723.30 = 2,813,044.68/x - Step 3: Cross multiply
4,189,979.88x = 5,781,723.30 × 2,813,044.68 - Step 4: Simplify right side
4,189,979.88x = 16,264,245,970,297.04 - Step 5: Solve for x
x = 16,264,245,970,297.04/4,189,979.88 - Step 6: Final answer
x = 3,881,700.26
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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.