Finding the Fourth Proportional to 3,523,936.70, 5,285,905.05 and 3,435,363.20
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Solution
The fourth proportional to 3,523,936.70, 5,285,905.05 and 3,435,363.20 is: 5,153,044.80
Step by Step Solution
- Step 1: Write the proportion equation
3,523,936.70 : 5,285,905.05 = 3,435,363.20 : x - Step 2: Convert to fraction form
3,523,936.70/5,285,905.05 = 3,435,363.20/x - Step 3: Cross multiply
3,523,936.70x = 5,285,905.05 × 3,435,363.20 - Step 4: Simplify right side
3,523,936.70x = 18,159,003,687,464.16 - Step 5: Solve for x
x = 18,159,003,687,464.16/3,523,936.70 - Step 6: Final answer
x = 5,153,044.80
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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.