Finding the Fourth Proportional to 3,375,898.97, 4,658,771.70 and 1,999,320.98
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Solution
The fourth proportional to 3,375,898.97, 4,658,771.70 and 1,999,320.98 is: 2,759,081.38
Step by Step Solution
- Step 1: Write the proportion equation
3,375,898.97 : 4,658,771.70 = 1,999,320.98 : x - Step 2: Convert to fraction form
3,375,898.97/4,658,771.70 = 1,999,320.98/x - Step 3: Cross multiply
3,375,898.97x = 4,658,771.70 × 1,999,320.98 - Step 4: Simplify right side
3,375,898.97x = 9,314,379,977,546.41 - Step 5: Solve for x
x = 9,314,379,977,546.41/3,375,898.97 - Step 6: Final answer
x = 2,759,081.38
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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.