Finding the Fourth Proportional to 4,911,219.92, 7,366,778.04 and 1,919,378
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Solution
The fourth proportional to 4,911,219.92, 7,366,778.04 and 1,919,378 is: 2,879,046.74
Step by Step Solution
- Step 1: Write the proportion equation
4,911,219.92 : 7,366,778.04 = 1,919,378 : x - Step 2: Convert to fraction form
4,911,219.92/7,366,778.04 = 1,919,378/x - Step 3: Cross multiply
4,911,219.92x = 7,366,778.04 × 1,919,378 - Step 4: Simplify right side
4,911,219.92x = 14,139,631,700,859.12 - Step 5: Solve for x
x = 14,139,631,700,859.12/4,911,219.92 - Step 6: Final answer
x = 2,879,046.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.