Finding the Fourth Proportional to 3,023,701.74, 4,172,538.69 and 1,734,421.50
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Solution
The fourth proportional to 3,023,701.74, 4,172,538.69 and 1,734,421.50 is: 2,393,404.32
Step by Step Solution
- Step 1: Write the proportion equation
3,023,701.74 : 4,172,538.69 = 1,734,421.50 : x - Step 2: Convert to fraction form
3,023,701.74/4,172,538.69 = 1,734,421.50/x - Step 3: Cross multiply
3,023,701.74x = 4,172,538.69 × 1,734,421.50 - Step 4: Simplify right side
3,023,701.74x = 7,236,940,813,517.84 - Step 5: Solve for x
x = 7,236,940,813,517.84/3,023,701.74 - Step 6: Final answer
x = 2,393,404.32
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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.