Finding the Fourth Proportional to 4,890,790.74, 6,748,979.00 and 2,715,333.33
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Solution
The fourth proportional to 4,890,790.74, 6,748,979.00 and 2,715,333.33 is: 3,746,986.65
Step by Step Solution
- Step 1: Write the proportion equation
4,890,790.74 : 6,748,979.00 = 2,715,333.33 : x - Step 2: Convert to fraction form
4,890,790.74/6,748,979.00 = 2,715,333.33/x - Step 3: Cross multiply
4,890,790.74x = 6,748,979.00 × 2,715,333.33 - Step 4: Simplify right side
4,890,790.74x = 18,325,727,608,593.40 - Step 5: Solve for x
x = 18,325,727,608,593.40/4,890,790.74 - Step 6: Final answer
x = 3,746,986.65
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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.