Finding the Fourth Proportional to 2,079,511.80, 3,118,830.30 and 881,473.20
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Solution
The fourth proportional to 2,079,511.80, 3,118,830.30 and 881,473.20 is: 1,322,024.39
Step by Step Solution
- Step 1: Write the proportion equation
2,079,511.80 : 3,118,830.30 = 881,473.20 : x - Step 2: Convert to fraction form
2,079,511.80/3,118,830.30 = 881,473.20/x - Step 3: Cross multiply
2,079,511.80x = 3,118,830.30 × 881,473.20 - Step 4: Simplify right side
2,079,511.80x = 2,749,165,324,797.96 - Step 5: Solve for x
x = 2,749,165,324,797.96/2,079,511.80 - Step 6: Final answer
x = 1,322,024.39
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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.