Finding the Fourth Proportional to 6,445,071.99, 8,894,021.74 and 3,544,462.80
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Solution
The fourth proportional to 6,445,071.99, 8,894,021.74 and 3,544,462.80 is: 4,891,260.99
Step by Step Solution
- Step 1: Write the proportion equation
6,445,071.99 : 8,894,021.74 = 3,544,462.80 : x - Step 2: Convert to fraction form
6,445,071.99/8,894,021.74 = 3,544,462.80/x - Step 3: Cross multiply
6,445,071.99x = 8,894,021.74 × 3,544,462.80 - Step 4: Simplify right side
6,445,071.99x = 31,524,529,190,960.12 - Step 5: Solve for x
x = 31,524,529,190,960.12/6,445,071.99 - Step 6: Final answer
x = 4,891,260.99
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1.5x scale
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.