Finding the Fourth Proportional to 1,081,018.94, 1,620,980.97 and 361,103.99
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Solution
The fourth proportional to 1,081,018.94, 1,620,980.97 and 361,103.99 is: 541,473.11
Step by Step Solution
- Step 1: Write the proportion equation
1,081,018.94 : 1,620,980.97 = 361,103.99 : x - Step 2: Convert to fraction form
1,081,018.94/1,620,980.97 = 361,103.99/x - Step 3: Cross multiply
1,081,018.94x = 1,620,980.97 × 361,103.99 - Step 4: Simplify right side
1,081,018.94x = 585,342,687,876.17 - Step 5: Solve for x
x = 585,342,687,876.17/1,081,018.94 - Step 6: Final answer
x = 541,473.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.