Finding the Fourth Proportional to 2,749,245.20, 4,124,904.60 and 1,330,557.20
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Solution
The fourth proportional to 2,749,245.20, 4,124,904.60 and 1,330,557.20 is: 1,996,337.58
Step by Step Solution
- Step 1: Write the proportion equation
2,749,245.20 : 4,124,904.60 = 1,330,557.20 : x - Step 2: Convert to fraction form
2,749,245.20/4,124,904.60 = 1,330,557.20/x - Step 3: Cross multiply
2,749,245.20x = 4,124,904.60 × 1,330,557.20 - Step 4: Simplify right side
2,749,245.20x = 5,488,421,514,843.12 - Step 5: Solve for x
x = 5,488,421,514,843.12/2,749,245.20 - Step 6: Final answer
x = 1,996,337.58
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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.