Finding the Fourth Proportional to 4,932,403.20, 7,388,107.20 and 4,092,595.20
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Solution
The fourth proportional to 4,932,403.20, 7,388,107.20 and 4,092,595.20 is: 6,130,182.56
Step by Step Solution
- Step 1: Write the proportion equation
4,932,403.20 : 7,388,107.20 = 4,092,595.20 : x - Step 2: Convert to fraction form
4,932,403.20/7,388,107.20 = 4,092,595.20/x - Step 3: Cross multiply
4,932,403.20x = 7,388,107.20 × 4,092,595.20 - Step 4: Simplify right side
4,932,403.20x = 30,236,532,063,805.44 - Step 5: Solve for x
x = 30,236,532,063,805.44/4,932,403.20 - Step 6: Final answer
x = 6,130,182.56
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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.