Finding the Fourth Proportional to 1,859,589.92, 2,788,301.08 and 721,021.99
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Solution
The fourth proportional to 1,859,589.92, 2,788,301.08 and 721,021.99 is: 1,081,112.76
Step by Step Solution
- Step 1: Write the proportion equation
1,859,589.92 : 2,788,301.08 = 721,021.99 : x - Step 2: Convert to fraction form
1,859,589.92/2,788,301.08 = 721,021.99/x - Step 3: Cross multiply
1,859,589.92x = 2,788,301.08 × 721,021.99 - Step 4: Simplify right side
1,859,589.92x = 2,010,426,389,815.64 - Step 5: Solve for x
x = 2,010,426,389,815.64/1,859,589.92 - Step 6: Final answer
x = 1,081,112.76
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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.