Finding the Fourth Proportional to 1,732,513.11, 2,599,028.09 and 721,059.18
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Solution
The fourth proportional to 1,732,513.11, 2,599,028.09 and 721,059.18 is: 1,081,696.32
Step by Step Solution
- Step 1: Write the proportion equation
1,732,513.11 : 2,599,028.09 = 721,059.18 : x - Step 2: Convert to fraction form
1,732,513.11/2,599,028.09 = 721,059.18/x - Step 3: Cross multiply
1,732,513.11x = 2,599,028.09 × 721,059.18 - Step 4: Simplify right side
1,732,513.11x = 1,874,053,059,767.07 - Step 5: Solve for x
x = 1,874,053,059,767.07/1,732,513.11 - Step 6: Final answer
x = 1,081,696.32
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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.