Finding the Fourth Proportional to 1,685,864.16, 2,324,939.75 and 1,104,875.65
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Solution
The fourth proportional to 1,685,864.16, 2,324,939.75 and 1,104,875.65 is: 1,523,710.73
Step by Step Solution
- Step 1: Write the proportion equation
1,685,864.16 : 2,324,939.75 = 1,104,875.65 : x - Step 2: Convert to fraction form
1,685,864.16/2,324,939.75 = 1,104,875.65/x - Step 3: Cross multiply
1,685,864.16x = 2,324,939.75 × 1,104,875.65 - Step 4: Simplify right side
1,685,864.16x = 2,568,769,317,492.09 - Step 5: Solve for x
x = 2,568,769,317,492.09/1,685,864.16 - Step 6: Final answer
x = 1,523,710.73
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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.