Finding the Fourth Proportional to 1,489,816.68, 2,055,804.75 and 836,293.10
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Solution
The fourth proportional to 1,489,816.68, 2,055,804.75 and 836,293.10 is: 1,154,004.61
Step by Step Solution
- Step 1: Write the proportion equation
1,489,816.68 : 2,055,804.75 = 836,293.10 : x - Step 2: Convert to fraction form
1,489,816.68/2,055,804.75 = 836,293.10/x - Step 3: Cross multiply
1,489,816.68x = 2,055,804.75 × 836,293.10 - Step 4: Simplify right side
1,489,816.68x = 1,719,255,317,093.20 - Step 5: Solve for x
x = 1,719,255,317,093.20/1,489,816.68 - Step 6: Final answer
x = 1,154,004.61
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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.