Finding the Fourth Proportional to 3,888,893.70, 5,833,340.55 and 2,469,968.10
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Solution
The fourth proportional to 3,888,893.70, 5,833,340.55 and 2,469,968.10 is: 3,704,952.15
Step by Step Solution
- Step 1: Write the proportion equation
3,888,893.70 : 5,833,340.55 = 2,469,968.10 : x - Step 2: Convert to fraction form
3,888,893.70/5,833,340.55 = 2,469,968.10/x - Step 3: Cross multiply
3,888,893.70x = 5,833,340.55 × 2,469,968.10 - Step 4: Simplify right side
3,888,893.70x = 14,408,165,074,936.46 - Step 5: Solve for x
x = 14,408,165,074,936.46/3,888,893.70 - Step 6: Final answer
x = 3,704,952.15
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Double scale
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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.