Finding the Fourth Proportional to 2,513,919.68, 3,469,282.16 and 1,368,073.92
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Solution
The fourth proportional to 2,513,919.68, 3,469,282.16 and 1,368,073.92 is: 1,887,981.74
Step by Step Solution
- Step 1: Write the proportion equation
2,513,919.68 : 3,469,282.16 = 1,368,073.92 : x - Step 2: Convert to fraction form
2,513,919.68/3,469,282.16 = 1,368,073.92/x - Step 3: Cross multiply
2,513,919.68x = 3,469,282.16 × 1,368,073.92 - Step 4: Simplify right side
2,513,919.68x = 4,746,234,444,217.27 - Step 5: Solve for x
x = 4,746,234,444,217.27/2,513,919.68 - Step 6: Final answer
x = 1,887,981.74
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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.