Finding the Fourth Proportional to 5,694,981.70, 7,858,969.68 and 3,116,610.76
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Solution
The fourth proportional to 5,694,981.70, 7,858,969.68 and 3,116,610.76 is: 4,300,865.35
Step by Step Solution
- Step 1: Write the proportion equation
5,694,981.70 : 7,858,969.68 = 3,116,610.76 : x - Step 2: Convert to fraction form
5,694,981.70/7,858,969.68 = 3,116,610.76/x - Step 3: Cross multiply
5,694,981.70x = 7,858,969.68 × 3,116,610.76 - Step 4: Simplify right side
5,694,981.70x = 24,493,349,467,201.75 - Step 5: Solve for x
x = 24,493,349,467,201.75/5,694,981.70 - Step 6: Final answer
x = 4,300,865.35
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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.