Finding the Fourth Proportional to 2,953,638.75, 4,076,025.12 and 1,595,511.75
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Solution
The fourth proportional to 2,953,638.75, 4,076,025.12 and 1,595,511.75 is: 2,201,808.18
Step by Step Solution
- Step 1: Write the proportion equation
2,953,638.75 : 4,076,025.12 = 1,595,511.75 : x - Step 2: Convert to fraction form
2,953,638.75/4,076,025.12 = 1,595,511.75/x - Step 3: Cross multiply
2,953,638.75x = 4,076,025.12 × 1,595,511.75 - Step 4: Simplify right side
2,953,638.75x = 6,503,345,972,255.16 - Step 5: Solve for x
x = 6,503,345,972,255.16/2,953,638.75 - Step 6: Final answer
x = 2,201,808.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.