Finding the Fourth Proportional to 1,567,381.14, 2,351,074.30 and 430,158.92
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Solution
The fourth proportional to 1,567,381.14, 2,351,074.30 and 430,158.92 is: 645,239.09
Step by Step Solution
- Step 1: Write the proportion equation
1,567,381.14 : 2,351,074.30 = 430,158.92 : x - Step 2: Convert to fraction form
1,567,381.14/2,351,074.30 = 430,158.92/x - Step 3: Cross multiply
1,567,381.14x = 2,351,074.30 × 430,158.92 - Step 4: Simplify right side
1,567,381.14x = 1,011,335,581,727.76 - Step 5: Solve for x
x = 1,011,335,581,727.76/1,567,381.14 - Step 6: Final answer
x = 645,239.09
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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.