Finding the Fourth Proportional to 5,402,380.80, 8,102,404.80 and 2,369,740.80
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Solution
The fourth proportional to 5,402,380.80, 8,102,404.80 and 2,369,740.80 is: 3,554,099.56
Step by Step Solution
- Step 1: Write the proportion equation
5,402,380.80 : 8,102,404.80 = 2,369,740.80 : x - Step 2: Convert to fraction form
5,402,380.80/8,102,404.80 = 2,369,740.80/x - Step 3: Cross multiply
5,402,380.80x = 8,102,404.80 × 2,369,740.80 - Step 4: Simplify right side
5,402,380.80x = 19,200,599,232,675.84 - Step 5: Solve for x
x = 19,200,599,232,675.84/5,402,380.80 - Step 6: Final answer
x = 3,554,099.56
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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.