Finding the Fourth Proportional to 5,322,509.31, 7,345,057.23 and 2,875,119.99
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Solution
The fourth proportional to 5,322,509.31, 7,345,057.23 and 2,875,119.99 is: 3,967,662.55
Step by Step Solution
- Step 1: Write the proportion equation
5,322,509.31 : 7,345,057.23 = 2,875,119.99 : x - Step 2: Convert to fraction form
5,322,509.31/7,345,057.23 = 2,875,119.99/x - Step 3: Cross multiply
5,322,509.31x = 7,345,057.23 × 2,875,119.99 - Step 4: Simplify right side
5,322,509.31x = 21,117,920,869,667.03 - Step 5: Solve for x
x = 21,117,920,869,667.03/5,322,509.31 - Step 6: Final answer
x = 3,967,662.55
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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.