Finding the Fourth Proportional to 6,394,588.98, 8,824,594.68 and 3,493,979.69
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Solution
The fourth proportional to 6,394,588.98, 8,824,594.68 and 3,493,979.69 is: 4,821,725.79
Step by Step Solution
- Step 1: Write the proportion equation
6,394,588.98 : 8,824,594.68 = 3,493,979.69 : x - Step 2: Convert to fraction form
6,394,588.98/8,824,594.68 = 3,493,979.69/x - Step 3: Cross multiply
6,394,588.98x = 8,824,594.68 × 3,493,979.69 - Step 4: Simplify right side
6,394,588.98x = 30,832,954,584,402.05 - Step 5: Solve for x
x = 30,832,954,584,402.05/6,394,588.98 - Step 6: Final answer
x = 4,821,725.79
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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.