Finding the Fourth Proportional to 3,478,475.46, 4,800,984.61 and 2,256,295.62
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Solution
The fourth proportional to 3,478,475.46, 4,800,984.61 and 2,256,295.62 is: 3,114,134.53
Step by Step Solution
- Step 1: Write the proportion equation
3,478,475.46 : 4,800,984.61 = 2,256,295.62 : x - Step 2: Convert to fraction form
3,478,475.46/4,800,984.61 = 2,256,295.62/x - Step 3: Cross multiply
3,478,475.46x = 4,800,984.61 × 2,256,295.62 - Step 4: Simplify right side
3,478,475.46x = 10,832,440,547,230.41 - Step 5: Solve for x
x = 10,832,440,547,230.41/3,478,475.46 - Step 6: Final answer
x = 3,114,134.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.