Finding the Fourth Proportional to 4,920,447.03, 6,790,219.81 and 2,744,990.18
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Solution
The fourth proportional to 4,920,447.03, 6,790,219.81 and 2,744,990.18 is: 3,788,088.07
Step by Step Solution
- Step 1: Write the proportion equation
4,920,447.03 : 6,790,219.81 = 2,744,990.18 : x - Step 2: Convert to fraction form
4,920,447.03/6,790,219.81 = 2,744,990.18/x - Step 3: Cross multiply
4,920,447.03x = 6,790,219.81 × 2,744,990.18 - Step 4: Simplify right side
4,920,447.03x = 18,639,086,664,540.36 - Step 5: Solve for x
x = 18,639,086,664,540.36/4,920,447.03 - Step 6: Final answer
x = 3,788,088.07
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1.5x scale
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.