Finding the Fourth Proportional to 5,477,879.79, 8,211,479.73 and 2,283,919.38
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Solution
The fourth proportional to 5,477,879.79, 8,211,479.73 and 2,283,919.38 is: 3,423,652.66
Step by Step Solution
- Step 1: Write the proportion equation
5,477,879.79 : 8,211,479.73 = 2,283,919.38 : x - Step 2: Convert to fraction form
5,477,879.79/8,211,479.73 = 2,283,919.38/x - Step 3: Cross multiply
5,477,879.79x = 8,211,479.73 × 2,283,919.38 - Step 4: Simplify right side
5,477,879.79x = 18,754,357,693,824.17 - Step 5: Solve for x
x = 18,754,357,693,824.17/5,477,879.79 - Step 6: Final answer
x = 3,423,652.66
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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.