Finding the Fourth Proportional to 3,882,205.86, 5,357,465.40 and 2,251,580.18
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Solution
The fourth proportional to 3,882,205.86, 5,357,465.40 and 2,251,580.18 is: 3,107,193.01
Step by Step Solution
- Step 1: Write the proportion equation
3,882,205.86 : 5,357,465.40 = 2,251,580.18 : x - Step 2: Convert to fraction form
3,882,205.86/5,357,465.40 = 2,251,580.18/x - Step 3: Cross multiply
3,882,205.86x = 5,357,465.40 × 2,251,580.18 - Step 4: Simplify right side
3,882,205.86x = 12,062,762,909,675.77 - Step 5: Solve for x
x = 12,062,762,909,675.77/3,882,205.86 - Step 6: Final answer
x = 3,107,193.01
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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.