Finding the Fourth Proportional to 1,663,694.02, 2,296,004.09 and 938,277.05
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Solution
The fourth proportional to 1,663,694.02, 2,296,004.09 and 938,277.05 is: 1,294,882.30
Step by Step Solution
- Step 1: Write the proportion equation
1,663,694.02 : 2,296,004.09 = 938,277.05 : x - Step 2: Convert to fraction form
1,663,694.02/2,296,004.09 = 938,277.05/x - Step 3: Cross multiply
1,663,694.02x = 2,296,004.09 × 938,277.05 - Step 4: Simplify right side
1,663,694.02x = 2,154,287,944,353.13 - Step 5: Solve for x
x = 2,154,287,944,353.13/1,663,694.02 - Step 6: Final answer
x = 1,294,882.30
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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.