Finding the Fourth Proportional to 1,975,331.21, 2,960,709.57 and 908,133.53
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Solution
The fourth proportional to 1,975,331.21, 2,960,709.57 and 908,133.53 is: 1,361,148.76
Step by Step Solution
- Step 1: Write the proportion equation
1,975,331.21 : 2,960,709.57 = 908,133.53 : x - Step 2: Convert to fraction form
1,975,331.21/2,960,709.57 = 908,133.53/x - Step 3: Cross multiply
1,975,331.21x = 2,960,709.57 × 908,133.53 - Step 4: Simplify right side
1,975,331.21x = 2,688,719,618,305.33 - Step 5: Solve for x
x = 2,688,719,618,305.33/1,975,331.21 - Step 6: Final answer
x = 1,361,148.76
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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.