Finding the Fourth Proportional to 4,892,129.71, 7,338,778.17 and 2,365,969.75
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Solution
The fourth proportional to 4,892,129.71, 7,338,778.17 and 2,365,969.75 is: 3,549,236.87
Step by Step Solution
- Step 1: Write the proportion equation
4,892,129.71 : 7,338,778.17 = 2,365,969.75 : x - Step 2: Convert to fraction form
4,892,129.71/7,338,778.17 = 2,365,969.75/x - Step 3: Cross multiply
4,892,129.71x = 7,338,778.17 × 2,365,969.75 - Step 4: Simplify right side
4,892,129.71x = 17,363,327,152,180.36 - Step 5: Solve for x
x = 17,363,327,152,180.36/4,892,129.71 - Step 6: Final answer
x = 3,549,236.87
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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.