Finding the Fourth Proportional to 6,628,990.97, 9,943,906.73 and 2,080,219.29
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Solution
The fourth proportional to 6,628,990.97, 9,943,906.73 and 2,080,219.29 is: 3,120,460.82
Step by Step Solution
- Step 1: Write the proportion equation
6,628,990.97 : 9,943,906.73 = 2,080,219.29 : x - Step 2: Convert to fraction form
6,628,990.97/9,943,906.73 = 2,080,219.29/x - Step 3: Cross multiply
6,628,990.97x = 9,943,906.73 × 2,080,219.29 - Step 4: Simplify right side
6,628,990.97x = 20,685,506,587,305.73 - Step 5: Solve for x
x = 20,685,506,587,305.73/6,628,990.97 - Step 6: Final answer
x = 3,120,460.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.