Finding the Fourth Proportional to 5,554,412.80, 8,331,541.44 and 2,188,648.96
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Solution
The fourth proportional to 5,554,412.80, 8,331,541.44 and 2,188,648.96 is: 3,282,942.80
Step by Step Solution
- Step 1: Write the proportion equation
5,554,412.80 : 8,331,541.44 = 2,188,648.96 : x - Step 2: Convert to fraction form
5,554,412.80/8,331,541.44 = 2,188,648.96/x - Step 3: Cross multiply
5,554,412.80x = 8,331,541.44 × 2,188,648.96 - Step 4: Simplify right side
5,554,412.80x = 18,234,819,507,852.90 - Step 5: Solve for x
x = 18,234,819,507,852.90/5,554,412.80 - Step 6: Final answer
x = 3,282,942.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.