Finding the Fourth Proportional to 5,881,614.80, 8,822,422.20 and 5,340,405.20
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Solution
The fourth proportional to 5,881,614.80, 8,822,422.20 and 5,340,405.20 is: 8,010,607.80
Step by Step Solution
- Step 1: Write the proportion equation
5,881,614.80 : 8,822,422.20 = 5,340,405.20 : x - Step 2: Convert to fraction form
5,881,614.80/8,822,422.20 = 5,340,405.20/x - Step 3: Cross multiply
5,881,614.80x = 8,822,422.20 × 5,340,405.20 - Step 4: Simplify right side
5,881,614.80x = 47,115,309,393,475.44 - Step 5: Solve for x
x = 47,115,309,393,475.44/5,881,614.80 - Step 6: Final answer
x = 8,010,607.80
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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.