Finding the Fourth Proportional to 4,485,493.16, 6,189,765.36 and 2,551,572.80
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Solution
The fourth proportional to 4,485,493.16, 6,189,765.36 and 2,551,572.80 is: 3,521,048.05
Step by Step Solution
- Step 1: Write the proportion equation
4,485,493.16 : 6,189,765.36 = 2,551,572.80 : x - Step 2: Convert to fraction form
4,485,493.16/6,189,765.36 = 2,551,572.80/x - Step 3: Cross multiply
4,485,493.16x = 6,189,765.36 × 2,551,572.80 - Step 4: Simplify right side
4,485,493.16x = 15,793,636,930,958.21 - Step 5: Solve for x
x = 15,793,636,930,958.21/4,485,493.16 - Step 6: Final answer
x = 3,521,048.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.