Finding the Fourth Proportional to 1,639,179.36, 2,261,265.12 and 1,095,449.76
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Solution
The fourth proportional to 1,639,179.36, 2,261,265.12 and 1,095,449.76 is: 1,511,184.43
Step by Step Solution
- Step 1: Write the proportion equation
1,639,179.36 : 2,261,265.12 = 1,095,449.76 : x - Step 2: Convert to fraction form
1,639,179.36/2,261,265.12 = 1,095,449.76/x - Step 3: Cross multiply
1,639,179.36x = 2,261,265.12 × 1,095,449.76 - Step 4: Simplify right side
1,639,179.36x = 2,477,102,333,000.37 - Step 5: Solve for x
x = 2,477,102,333,000.37/1,639,179.36 - Step 6: Final answer
x = 1,511,184.43
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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.