Finding the Fourth Proportional to 2,385,767.64, 3,292,450.38 and 1,367,369.40
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Solution
The fourth proportional to 2,385,767.64, 3,292,450.38 and 1,367,369.40 is: 1,887,021.95
Step by Step Solution
- Step 1: Write the proportion equation
2,385,767.64 : 3,292,450.38 = 1,367,369.40 : x - Step 2: Convert to fraction form
2,385,767.64/3,292,450.38 = 1,367,369.40/x - Step 3: Cross multiply
2,385,767.64x = 3,292,450.38 × 1,367,369.40 - Step 4: Simplify right side
2,385,767.64x = 4,501,995,900,630.37 - Step 5: Solve for x
x = 4,501,995,900,630.37/2,385,767.64 - Step 6: Final answer
x = 1,887,021.95
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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.