Finding the Fourth Proportional to 1,925,161.44, 2,656,754.17 and 1,053,981.53
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Solution
The fourth proportional to 1,925,161.44, 2,656,754.17 and 1,053,981.53 is: 1,454,511.69
Step by Step Solution
- Step 1: Write the proportion equation
1,925,161.44 : 2,656,754.17 = 1,053,981.53 : x - Step 2: Convert to fraction form
1,925,161.44/2,656,754.17 = 1,053,981.53/x - Step 3: Cross multiply
1,925,161.44x = 2,656,754.17 × 1,053,981.53 - Step 4: Simplify right side
1,925,161.44x = 2,800,169,824,930.48 - Step 5: Solve for x
x = 2,800,169,824,930.48/1,925,161.44 - Step 6: Final answer
x = 1,454,511.69
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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.