Finding the Fourth Proportional to 1,685,247.15, 2,325,668.72 and 1,006,242.99
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Solution
The fourth proportional to 1,685,247.15, 2,325,668.72 and 1,006,242.99 is: 1,388,631.83
Step by Step Solution
- Step 1: Write the proportion equation
1,685,247.15 : 2,325,668.72 = 1,006,242.99 : x - Step 2: Convert to fraction form
1,685,247.15/2,325,668.72 = 1,006,242.99/x - Step 3: Cross multiply
1,685,247.15x = 2,325,668.72 × 1,006,242.99 - Step 4: Simplify right side
1,685,247.15x = 2,340,187,841,531.06 - Step 5: Solve for x
x = 2,340,187,841,531.06/1,685,247.15 - Step 6: Final answer
x = 1,388,631.83
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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.