Finding the Fourth Proportional to 5,752,815.21, 8,626,980.23 and 2,156,619.94
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Solution
The fourth proportional to 5,752,815.21, 8,626,980.23 and 2,156,619.94 is: 3,234,089.20
Step by Step Solution
- Step 1: Write the proportion equation
5,752,815.21 : 8,626,980.23 = 2,156,619.94 : x - Step 2: Convert to fraction form
5,752,815.21/8,626,980.23 = 2,156,619.94/x - Step 3: Cross multiply
5,752,815.21x = 8,626,980.23 × 2,156,619.94 - Step 4: Simplify right side
5,752,815.21x = 18,605,117,561,740.56 - Step 5: Solve for x
x = 18,605,117,561,740.56/5,752,815.21 - Step 6: Final answer
x = 3,234,089.20
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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.