Finding the Fourth Proportional to 5,421,097.77, 8,129,030.99 and 3,147,194.59
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Solution
The fourth proportional to 5,421,097.77, 8,129,030.99 and 3,147,194.59 is: 4,719,273.37
Step by Step Solution
- Step 1: Write the proportion equation
5,421,097.77 : 8,129,030.99 = 3,147,194.59 : x - Step 2: Convert to fraction form
5,421,097.77/8,129,030.99 = 3,147,194.59/x - Step 3: Cross multiply
5,421,097.77x = 8,129,030.99 × 3,147,194.59 - Step 4: Simplify right side
5,421,097.77x = 25,583,642,313,025.19 - Step 5: Solve for x
x = 25,583,642,313,025.19/5,421,097.77 - Step 6: Final answer
x = 4,719,273.37
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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.