Finding the Fourth Proportional to 2,986,397.76, 4,480,231.68 and 964,757.64
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Solution
The fourth proportional to 2,986,397.76, 4,480,231.68 and 964,757.64 is: 1,447,341.61
Step by Step Solution
- Step 1: Write the proportion equation
2,986,397.76 : 4,480,231.68 = 964,757.64 : x - Step 2: Convert to fraction form
2,986,397.76/4,480,231.68 = 964,757.64/x - Step 3: Cross multiply
2,986,397.76x = 4,480,231.68 × 964,757.64 - Step 4: Simplify right side
2,986,397.76x = 4,322,337,742,250.04 - Step 5: Solve for x
x = 4,322,337,742,250.04/2,986,397.76 - Step 6: Final answer
x = 1,447,341.61
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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.