Finding the Fourth Proportional to 2,749,097.20, 4,124,682.60 and 1,330,409.20
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Solution
The fourth proportional to 2,749,097.20, 4,124,682.60 and 1,330,409.20 is: 1,996,115.55
Step by Step Solution
- Step 1: Write the proportion equation
2,749,097.20 : 4,124,682.60 = 1,330,409.20 : x - Step 2: Convert to fraction form
2,749,097.20/4,124,682.60 = 1,330,409.20/x - Step 3: Cross multiply
2,749,097.20x = 4,124,682.60 × 1,330,409.20 - Step 4: Simplify right side
2,749,097.20x = 5,487,515,678,119.92 - Step 5: Solve for x
x = 5,487,515,678,119.92/2,749,097.20 - Step 6: Final answer
x = 1,996,115.55
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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.