Finding the Fourth Proportional to 4,744,256, 7,117,121.28 and 1,593,121.28
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Solution
The fourth proportional to 4,744,256, 7,117,121.28 and 1,593,121.28 is: 2,389,929.50
Step by Step Solution
- Step 1: Write the proportion equation
4,744,256 : 7,117,121.28 = 1,593,121.28 : x - Step 2: Convert to fraction form
4,744,256/7,117,121.28 = 1,593,121.28/x - Step 3: Cross multiply
4,744,256x = 7,117,121.28 × 1,593,121.28 - Step 4: Simplify right side
4,744,256x = 11,338,437,363,508.84 - Step 5: Solve for x
x = 11,338,437,363,508.84/4,744,256 - Step 6: Final answer
x = 2,389,929.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.