Finding the Fourth Proportional to 1,906,654.05, 2,859,980.17 and 486,709.68
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Solution
The fourth proportional to 1,906,654.05, 2,859,980.17 and 486,709.68 is: 730,064.29
Step by Step Solution
- Step 1: Write the proportion equation
1,906,654.05 : 2,859,980.17 = 486,709.68 : x - Step 2: Convert to fraction form
1,906,654.05/2,859,980.17 = 486,709.68/x - Step 3: Cross multiply
1,906,654.05x = 2,859,980.17 × 486,709.68 - Step 4: Simplify right side
1,906,654.05x = 1,391,980,033,347.05 - Step 5: Solve for x
x = 1,391,980,033,347.05/1,906,654.05 - Step 6: Final answer
x = 730,064.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.