Finding the Fourth Proportional to 3,351,901.86, 4,625,248.50 and 1,975,156.20
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Solution
The fourth proportional to 3,351,901.86, 4,625,248.50 and 1,975,156.20 is: 2,725,493.95
Step by Step Solution
- Step 1: Write the proportion equation
3,351,901.86 : 4,625,248.50 = 1,975,156.20 : x - Step 2: Convert to fraction form
3,351,901.86/4,625,248.50 = 1,975,156.20/x - Step 3: Cross multiply
3,351,901.86x = 4,625,248.50 × 1,975,156.20 - Step 4: Simplify right side
3,351,901.86x = 9,135,588,251,315.70 - Step 5: Solve for x
x = 9,135,588,251,315.70/3,351,901.86 - Step 6: Final answer
x = 2,725,493.95
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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.