Finding the Fourth Proportional to 4,420,070.79, 6,629,450.09 and 1,224,863.79
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Solution
The fourth proportional to 4,420,070.79, 6,629,450.09 and 1,224,863.79 is: 1,837,113.87
Step by Step Solution
- Step 1: Write the proportion equation
4,420,070.79 : 6,629,450.09 = 1,224,863.79 : x - Step 2: Convert to fraction form
4,420,070.79/6,629,450.09 = 1,224,863.79/x - Step 3: Cross multiply
4,420,070.79x = 6,629,450.09 × 1,224,863.79 - Step 4: Simplify right side
4,420,070.79x = 8,120,173,356,728.92 - Step 5: Solve for x
x = 8,120,173,356,728.92/4,420,070.79 - Step 6: Final answer
x = 1,837,113.87
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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.