Finding the Fourth Proportional to 2,145,922.99, 3,218,385.12 and 798,720.06
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Solution
The fourth proportional to 2,145,922.99, 3,218,385.12 and 798,720.06 is: 1,197,894.22
Step by Step Solution
- Step 1: Write the proportion equation
2,145,922.99 : 3,218,385.12 = 798,720.06 : x - Step 2: Convert to fraction form
2,145,922.99/3,218,385.12 = 798,720.06/x - Step 3: Cross multiply
2,145,922.99x = 3,218,385.12 × 798,720.06 - Step 4: Simplify right side
2,145,922.99x = 2,570,588,738,068.13 - Step 5: Solve for x
x = 2,570,588,738,068.13/2,145,922.99 - Step 6: Final answer
x = 1,197,894.22
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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.