Finding the Fourth Proportional to 3,936,756.98, 5,905,135.55 and 944,940.98
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Solution
The fourth proportional to 3,936,756.98, 5,905,135.55 and 944,940.98 is: 1,417,411.49
Step by Step Solution
- Step 1: Write the proportion equation
3,936,756.98 : 5,905,135.55 = 944,940.98 : x - Step 2: Convert to fraction form
3,936,756.98/5,905,135.55 = 944,940.98/x - Step 3: Cross multiply
3,936,756.98x = 5,905,135.55 × 944,940.98 - Step 4: Simplify right side
3,936,756.98x = 5,580,004,590,775.03 - Step 5: Solve for x
x = 5,580,004,590,775.03/3,936,756.98 - Step 6: Final answer
x = 1,417,411.49
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Similar ratio
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1.5x scale
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.