Finding the Fourth Proportional to 2,488,611.98, 3,432,450.83 and 1,876,790.49
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Solution
The fourth proportional to 2,488,611.98, 3,432,450.83 and 1,876,790.49 is: 2,588,587.99
Step by Step Solution
- Step 1: Write the proportion equation
2,488,611.98 : 3,432,450.83 = 1,876,790.49 : x - Step 2: Convert to fraction form
2,488,611.98/3,432,450.83 = 1,876,790.49/x - Step 3: Cross multiply
2,488,611.98x = 3,432,450.83 × 1,876,790.49 - Step 4: Simplify right side
2,488,611.98x = 6,441,991,065,752.65 - Step 5: Solve for x
x = 6,441,991,065,752.65/2,488,611.98 - Step 6: Final answer
x = 2,588,587.99
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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.