Finding the Fourth Proportional to 4,313,274.90, 6,469,912.35 and 4,285,281.30
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Solution
The fourth proportional to 4,313,274.90, 6,469,912.35 and 4,285,281.30 is: 6,427,921.95
Step by Step Solution
- Step 1: Write the proportion equation
4,313,274.90 : 6,469,912.35 = 4,285,281.30 : x - Step 2: Convert to fraction form
4,313,274.90/6,469,912.35 = 4,285,281.30/x - Step 3: Cross multiply
4,313,274.90x = 6,469,912.35 × 4,285,281.30 - Step 4: Simplify right side
4,313,274.90x = 27,725,394,406,094.05 - Step 5: Solve for x
x = 27,725,394,406,094.05/4,313,274.90 - Step 6: Final answer
x = 6,427,921.95
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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.