Finding the Fourth Proportional to 3,413,946.16, 5,122,296.28 and 1,519,391.84
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Solution
The fourth proportional to 3,413,946.16, 5,122,296.28 and 1,519,391.84 is: 2,279,700.62
Step by Step Solution
- Step 1: Write the proportion equation
3,413,946.16 : 5,122,296.28 = 1,519,391.84 : x - Step 2: Convert to fraction form
3,413,946.16/5,122,296.28 = 1,519,391.84/x - Step 3: Cross multiply
3,413,946.16x = 5,122,296.28 × 1,519,391.84 - Step 4: Simplify right side
3,413,946.16x = 7,782,775,169,894.36 - Step 5: Solve for x
x = 7,782,775,169,894.36/3,413,946.16 - Step 6: Final answer
x = 2,279,700.62
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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.