Finding the Fourth Proportional to 3,151,366.20, 4,727,049.30 and 1,021,519.80
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Solution
The fourth proportional to 3,151,366.20, 4,727,049.30 and 1,021,519.80 is: 1,532,279.70
Step by Step Solution
- Step 1: Write the proportion equation
3,151,366.20 : 4,727,049.30 = 1,021,519.80 : x - Step 2: Convert to fraction form
3,151,366.20/4,727,049.30 = 1,021,519.80/x - Step 3: Cross multiply
3,151,366.20x = 4,727,049.30 × 1,021,519.80 - Step 4: Simplify right side
3,151,366.20x = 4,828,774,455,526.14 - Step 5: Solve for x
x = 4,828,774,455,526.14/3,151,366.20 - Step 6: Final answer
x = 1,532,279.70
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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.