Finding the Fourth Proportional to 3,126,107.68, 4,688,133.36 and 1,103,984.80
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Solution
The fourth proportional to 3,126,107.68, 4,688,133.36 and 1,103,984.80 is: 1,655,614.11
Step by Step Solution
- Step 1: Write the proportion equation
3,126,107.68 : 4,688,133.36 = 1,103,984.80 : x - Step 2: Convert to fraction form
3,126,107.68/4,688,133.36 = 1,103,984.80/x - Step 3: Cross multiply
3,126,107.68x = 4,688,133.36 × 1,103,984.80 - Step 4: Simplify right side
3,126,107.68x = 5,175,627,969,812.93 - Step 5: Solve for x
x = 5,175,627,969,812.93/3,126,107.68 - Step 6: Final answer
x = 1,655,614.11
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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.