Finding the Fourth Proportional to 6,101,511.57, 8,418,000.38 and 3,486,139.07
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Solution
The fourth proportional to 6,101,511.57, 8,418,000.38 and 3,486,139.07 is: 4,809,680.30
Step by Step Solution
- Step 1: Write the proportion equation
6,101,511.57 : 8,418,000.38 = 3,486,139.07 : x - Step 2: Convert to fraction form
6,101,511.57/8,418,000.38 = 3,486,139.07/x - Step 3: Cross multiply
6,101,511.57x = 8,418,000.38 × 3,486,139.07 - Step 4: Simplify right side
6,101,511.57x = 29,346,320,023,432.94 - Step 5: Solve for x
x = 29,346,320,023,432.94/6,101,511.57 - Step 6: Final answer
x = 4,809,680.30
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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.