Finding the Fourth Proportional to 2,269,125.36, 3,131,393.49 and 1,236,633.39
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Solution
The fourth proportional to 2,269,125.36, 3,131,393.49 and 1,236,633.39 is: 1,706,554.35
Step by Step Solution
- Step 1: Write the proportion equation
2,269,125.36 : 3,131,393.49 = 1,236,633.39 : x - Step 2: Convert to fraction form
2,269,125.36/3,131,393.49 = 1,236,633.39/x - Step 3: Cross multiply
2,269,125.36x = 3,131,393.49 × 1,236,633.39 - Step 4: Simplify right side
2,269,125.36x = 3,872,385,746,962.63 - Step 5: Solve for x
x = 3,872,385,746,962.63/2,269,125.36 - Step 6: Final answer
x = 1,706,554.35
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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.