Finding the Fourth Proportional to 5,450,761.24, 7,520,385.42 and 3,158,479
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Solution
The fourth proportional to 5,450,761.24, 7,520,385.42 and 3,158,479 is: 4,357,736.17
Step by Step Solution
- Step 1: Write the proportion equation
5,450,761.24 : 7,520,385.42 = 3,158,479 : x - Step 2: Convert to fraction form
5,450,761.24/7,520,385.42 = 3,158,479/x - Step 3: Cross multiply
5,450,761.24x = 7,520,385.42 × 3,158,479 - Step 4: Simplify right side
5,450,761.24x = 23,752,979,420,976.18 - Step 5: Solve for x
x = 23,752,979,420,976.18/5,450,761.24 - Step 6: Final answer
x = 4,357,736.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.