Finding the Fourth Proportional to 3,761,767.84, 5,192,828.16 and 2,539,728.12
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Solution
The fourth proportional to 3,761,767.84, 5,192,828.16 and 2,539,728.12 is: 3,505,897.30
Step by Step Solution
- Step 1: Write the proportion equation
3,761,767.84 : 5,192,828.16 = 2,539,728.12 : x - Step 2: Convert to fraction form
3,761,767.84/5,192,828.16 = 2,539,728.12/x - Step 3: Cross multiply
3,761,767.84x = 5,192,828.16 × 2,539,728.12 - Step 4: Simplify right side
3,761,767.84x = 13,188,371,700,279.86 - Step 5: Solve for x
x = 13,188,371,700,279.86/3,761,767.84 - Step 6: Final answer
x = 3,505,897.30
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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.