Finding the Fourth Proportional to 4,380,442.70, 6,570,664.05 and 3,104,984.30
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Solution
The fourth proportional to 4,380,442.70, 6,570,664.05 and 3,104,984.30 is: 4,657,476.45
Step by Step Solution
- Step 1: Write the proportion equation
4,380,442.70 : 6,570,664.05 = 3,104,984.30 : x - Step 2: Convert to fraction form
4,380,442.70/6,570,664.05 = 3,104,984.30/x - Step 3: Cross multiply
4,380,442.70x = 6,570,664.05 × 3,104,984.30 - Step 4: Simplify right side
4,380,442.70x = 20,401,808,715,824.41 - Step 5: Solve for x
x = 20,401,808,715,824.41/4,380,442.70 - Step 6: Final answer
x = 4,657,476.45
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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.