Finding the Fourth Proportional to 3,483,917.09, 5,225,873.70 and 1,087,967.06
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Solution
The fourth proportional to 3,483,917.09, 5,225,873.70 and 1,087,967.06 is: 1,631,949.98
Step by Step Solution
- Step 1: Write the proportion equation
3,483,917.09 : 5,225,873.70 = 1,087,967.06 : x - Step 2: Convert to fraction form
3,483,917.09/5,225,873.70 = 1,087,967.06/x - Step 3: Cross multiply
3,483,917.09x = 5,225,873.70 × 1,087,967.06 - Step 4: Simplify right side
3,483,917.09x = 5,685,578,419,190.95 - Step 5: Solve for x
x = 5,685,578,419,190.95/3,483,917.09 - Step 6: Final answer
x = 1,631,949.98
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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.