Finding the Fourth Proportional to 1,685,862.16, 2,324,936.99 and 1,104,873.65
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Solution
The fourth proportional to 1,685,862.16, 2,324,936.99 and 1,104,873.65 is: 1,523,707.98
Step by Step Solution
- Step 1: Write the proportion equation
1,685,862.16 : 2,324,936.99 = 1,104,873.65 : x - Step 2: Convert to fraction form
1,685,862.16/2,324,936.99 = 1,104,873.65/x - Step 3: Cross multiply
1,685,862.16x = 2,324,936.99 × 1,104,873.65 - Step 4: Simplify right side
1,685,862.16x = 2,568,761,630,156.16 - Step 5: Solve for x
x = 2,568,761,630,156.16/1,685,862.16 - Step 6: Final answer
x = 1,523,707.98
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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.