Finding the Fourth Proportional to 6,236,088.75, 8,605,828.40 and 3,374,520.75
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Solution
The fourth proportional to 6,236,088.75, 8,605,828.40 and 3,374,520.75 is: 4,656,852.66
Step by Step Solution
- Step 1: Write the proportion equation
6,236,088.75 : 8,605,828.40 = 3,374,520.75 : x - Step 2: Convert to fraction form
6,236,088.75/8,605,828.40 = 3,374,520.75/x - Step 3: Cross multiply
6,236,088.75x = 8,605,828.40 × 3,374,520.75 - Step 4: Simplify right side
6,236,088.75x = 29,040,546,489,866.70 - Step 5: Solve for x
x = 29,040,546,489,866.70/6,236,088.75 - Step 6: Final answer
x = 4,656,852.66
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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.