Finding the Fourth Proportional to 4,048,471.04, 5,582,369.28 and 3,311,129.60
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Solution
The fourth proportional to 4,048,471.04, 5,582,369.28 and 3,311,129.60 is: 4,565,661.45
Step by Step Solution
- Step 1: Write the proportion equation
4,048,471.04 : 5,582,369.28 = 3,311,129.60 : x - Step 2: Convert to fraction form
4,048,471.04/5,582,369.28 = 3,311,129.60/x - Step 3: Cross multiply
4,048,471.04x = 5,582,369.28 × 3,311,129.60 - Step 4: Simplify right side
4,048,471.04x = 18,483,948,161,138.69 - Step 5: Solve for x
x = 18,483,948,161,138.69/4,048,471.04 - Step 6: Final answer
x = 4,565,661.45
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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.